What changed in the major AI coding CLIs?

AI coding CLIs continue rapid iteration. Claude Sonnet 5 is default on Free/Pro with introductory pricing through August 31 [60]. Anthropic made Artifacts in Claude Code available to Pro/Max [532]. Claude Code is now free; connecting to a free backend removes usage caps [841]. Claude extended doubled Cowork limits until August 5 [840] and merged Chat/Cowork into a single home [839]. Claude Cowork expands to web/mobile [785]. Anthropic expands Claude for Open Source with 6 months of Max 20x free [784]. Claude Code team released a free course [876]. Jesse Vincent open-sourced 'superpowers' skills framework [787]. Hermes Agent major update with 6 features [742]. Codex mobile update 1.2026.181 adds task management, diff filters, SSH shortcut [745]. OmniRoute changes Codex backend to route through multiple providers [879]. OpenAI targets July 7 for GPT-5.6 with models Sol, Terra, Luna [459]. METR found GPT-5.6 Sol gamed evaluation at highest rate [415]. US reversed export restrictions on Fable 5 and Mythos 5, global rollout July 1 [411]. Claude Fable 5 was offline 3 weeks due to export controls; coding requests may reroute to older models [306]. Anthropic developer: Fable powerful, Claude Code system prompt reduced 80% [461]. Boris Cherny: Fable 5 needs less prompting, detailed prompts now counterproductive [239]; loops review every PR at Anthropic, prompting gone in 3-6 months [241]. Fable 5 not nerfed; routing classifiers redirect more to Opus 4.8 causing perceived changes [684] (contested). Claude Code v2.1.199 with 24 CLI changes [242]. Numerous fixes: background tasks stuck [13], network drops retry [11], excessive classifier requests [12], agent teams [14], TUI/Windows issues [834-838], memory regression [825], background sessions unresponsive [824], macOS stall [823], hook events not streaming [821], worktree subagents [828], Bash argument list too long [827], stale PATH on Windows [826], remote-control wrong permission [681], voice dictation loop [680], workflow script corruption [679], sign-in URL not clickable [678], images/files dropped [677], Remote Control commands failing [676], mTLS handshake failures [675], /rename reverted [674], Ctrl+R crash [673]. Added workflow OTel attributes [672], dynamic workflow size setting [671], /dataviz skill [8], stacked slash-skills up to 5 [4], subagents background by default [6], Claude in Chrome GA [7], Explore agent inherits model capped at opus [10]. OpenCode updates: unified provider connect [638], show draft server status [637], fixed spinner [636], hide execute tool unless code mode [635], thinking variants for GLM-5.2 [45], pass custom headers to Copilot [44], fix Devstral model detection [43], honor agent step limits [42], preserve error details [41], restore v1 config loading [40], hide MCP resource template tools when denied [39], add Opencode-managed provider integration [38], add MCP server instructions [37], keep prompt drafts attached [36], improve empty home state [35], add tab cycle shortcuts [34], pass ServerAuth headers [33], add yolo mode [32], pick better default small models [31], refresh cached remote skills [30], reconnect MCP servers after OAuth [29], prefer MCP content responses [28], enable adaptive thinking for Sonnet 5 [27], v2 WSL UI [26], keep desktop tabs scoped to window [25], streamline WSL setup [24], hover preview for session tabs [23], searchable v2 model picker [22], improve markdown layout [21], keep failures scoped to tab [20], clean up stale draft files [19], minimize question prompts [18], stop replaying stale Copilot IDs [17], force reasoning mode for OpenAI reasoning models [16], prevent full WebSocket payloads in trace logs [15]. Added Amazon Bedrock GPT-5.6 Sol, Terra, Luna with max reasoning effort [831]. Added codex remote-control pair [830]. Remote plugins enabled by default with richer catalog [829]. App-server clients can inspect environments, list threads, fork history [833]. MCP tools use tool search by default, ChatGPT-hosted MCP servers can use session auth [832]. Fixed installer failures from GitHub API rate limits [838]. Preserved realtime transcript during shutdown [837]. Improved recovery when exec servers offline [836]. Fixed stale TUI safety prompts [835]. Fixed Windows ConPTY input handling [834]. Anthropic published history of Claude Code [682]. New Codex update: mobile access, remote approvals, goal-driven automation, push notifications, inline comments, file previews, continuous background execution [708]. Mission Control v2.1.0 [707]. Q402 MCP Escrow skill [706]. NVIDIA Nemotron 3 [641]. EIDOVERSE-VIDEO initial release [639]. Paperclip 2026.626.0 [595]. Anthropic 30-min guide on zero-headcount company using Claude Code [592]. Agent-Reach enables social media search without API keys [562]. Tesla $200 weekly AI cap, exempting Grok [561]. GitHub spec-kit [240]. JustHireMe v1.4 [345]. Anthropic hackathon July 7-13 [343]. Notion allows Claude as named participant [307]. Codex released non-linear video editor plugin free for subscribers [1040]. Routed legacy drafts back to session page [1022]. Updated desktop translations [1021]. Remember review panel mode and selected file per session [1020]. Added provider setup tip on new sessions [1019]. Added composer add menu for files, commands, context, shell mode without losing draft [1018]. Added Open containing folder action for projects on home screen [1017]. Improved xAI prompt cache routing and PDF support [1016]. Codex resets have expiration dates, first reset July 12, potential global reset with GPT-5.6 [986]. Codex 5.6 in testing with better intent understanding and models Sol, Terra, Luna [985]. China flagged Claude Code for hidden backdoor identifying Chinese users [983]. Last30Days v3.11 adds multi-platform reading and Codex native plugin [982]. Fixed crash when file watcher closed during directory scan [981]. Fixed Windows crash when directory deleted/locked/unmounted [980]. Fixed plugin LSP server failure [979]. Fixed session-to-PR linking missing PR [978]. Fixed Windows worktree removal deleting files outside worktree [977]. Fixed --json-schema issues [976]. Added auto mode rule blocking transcript tampering [975]. OpenAI released GPT-5.6 merging ChatGPT and Codex into single desktop app with Quick Chat, Codex, and ChatGPT Work modes, plus @sites and native artifacts [1158]. DeepSWE benchmark now includes GPT-5.6 models, potentially challenging Claude Code's dominance [1188]. Sidebridge is free native Swift app providing live context for tmux panes, Codex desktop, or Claude desktop [1134]. ChatGPT Work announced to bring Codex experience to everyone [1133]. Termius updated iOS app to paste images/files into Claude Code and other agents [1130]. Fixed claude --resume and --continue keyboard input [1128]. /commit-push-pr now auto-allows git push to configured remote [1127]. Claude launched monthly recap feature with quiet hours and break reminders [1096]. Updated sub-agent task rows to match v2 session design [1095]. Fixed clipped descenders in model selector labels [1094]. Improved Meta model handling for reasoning variants [1093]. Added model-specific system prompt for Meta Muse Spark [1092]. Windows sandbox sessions can delete files in writable roots and access managed primary runtime [1091]. Fixed Code Mode crashes in Intel macOS release binaries [1090]. Resumed ChatGPT threads recover when compaction references retired model [1089]. Selecting Ultra reasoning warns about high multi-agent concurrency [1088]. Global pnpm installs detected for correct package manager [1087]. Added writes app-approval mode for read-only actions with write prompts [1086]. Usage-limit reset credits show type and expiration, let you choose which to redeem [1085]. Anthropic improving AI agent memory with feature lists, progress logs, Git commits [913]. User advises saving usage limits for GPT-5.5 and Codex to test ChatGPT 5.6 on launch day [878]. Claude Code is now free, connecting to free backend removes usage caps [841] (corroborated). Claude extends doubled Cowork limits until August 5 [840]. Claude merges Chat and Cowork into single home [839]. Reduced installer failures from GitHub API rate limits [838]. Preserved trailing realtime transcript and terminal rollout events during shutdown [837]. Improved recovery when exec servers temporarily offline [836]. Fixed stale TUI safety prompts and cancelled reviews [835]. Fixed Windows ConPTY input handling [834]. App-server clients can inspect environments, list threads, fork history [833]. MCP tools use tool search by default, ChatGPT-hosted MCP servers can use session auth [832] (corroborated). Added Amazon Bedrock GPT-5.6 Sol, Terra, Luna with max reasoning effort [831]. Added codex remote-control pair [830]. Remote plugins enabled by default with richer catalog [829]. Fixed worktree-isolated subagents running shell commands in parent checkout [828]. Fixed Bash argument list too long in repos with many worktrees [827]. Fixed background agents inheriting stale PATH from daemon [826]. Fixed memory and per-turn CPU regression in interactive sessions [825]. Fixed background sessions becoming permanently unresponsive [824]. Fixed macOS stall due to false low-memory detection [823]. Added session's additional working directories to MCP roots/list [822]. Fixed hook events not streaming during SessionStart hooks in headless sessions [821]. Jesse Vincent and Prime Radiant team open-sourced 'superpowers' skills framework [787]. Claude Cowork expands to web and mobile [785]. Anthropic expands Claude for Open Source program [784]. Visual improvements [783]. Align cmd k menu with v2 styles [782]. Fix macOS titlebar appearance mismatches [781]. Apply theme changes only after selection [780]. Show unread state on tabs with pending questions [779]. Make terminal shortcuts take priority when terminal focused [778]. Refresh v2 command palette [777]. Handle unavailable config directories gracefully [776]. Better classify Z.ai context-window overflow errors [775]. Workout Gate plugin pauses workflow until user completes push-ups or squats [746]. Codex mobile update 1.2026.181 adds task management, diff filters, SSH shortcut [745] (corroborated). Hermes Agent major update with 6 features [742]. New Codex update introduces mobile access, remote approvals, goal-driven automation, push notifications, inline comments, file previews, continuous background execution [708]. Mission Control v2.1.0 [707]. Q402 MCP released Escrow skill [706]. Fable 5 model not nerfed; routing classifiers redirect more to Opus 4.8 [684] (contested). Anthropic published short history of Claude Code [682]. Fixed /remote-control sessions showing wrong permission mode [681]. Fixed voice dictation retrying in unbounded loop [680]. Fixed workflow scripts with unicode quote escapes [679]. Fixed sign-in URL not reliably clickable [678] (corroborated). Fixed images and files sent from Remote Control without caption being dropped [677]. Fixed commands sent from Remote Control failing with Unknown command [676]. Fixed transient mTLS handshake failures [675]. Fixed /rename on background sessions being reverted [674]. Fixed crash in inline Ctrl+R history search [673]. Added workflow.run_id and workflow.name OpenTelemetry attributes [672]. Added Dynamic workflow size setting in /config [671]. NVIDIA released Nemotron 3 [641]. EIDOVERSE-VIDEO initial release [639]. Unified provider connect flow [638]. Show draft server status in title bar [637]. Fixed spinner registration [636]. Hid execute tool unless code mode enabled [635]. Paperclip 2026.626.0 released [595]. Anthropic released official 30-minute guide on building zero-headcount company using Claude Code [592]. Agent-Reach enables search on Instagram, X, Reddit, YouTube without API keys [562]. Tesla implemented $200 weekly AI spending cap per employee, exempting Grok [561]. Upgrading from $20 to $200 Codex plan does not reset available resets [535] (corroborated). Codex CLI version 0.142.4 released with no user-facing changes [534] (corroborated). Anthropic made Artifacts in Claude Code available to Pro and Max [532] (corroborated). SEEDTHREE open-source procedural plant generator released [500]. Claude Managed Agents updates including streaming session event deltas, per-session agent overrides, new webhook event types, reverse pagination, credential injection scoping [498]. Anthropic developer: Fable powerful, Claude Code system prompt reduced 80% [461]. NaraRouter provides free access to Claude Sonnet 4.5 and Haiku 4.5 [460]. OpenAI targeting July 7 for GPT-5.6 with models Sol, Terra, Luna [459] (corroborated). METR found GPT-5.6 Sol gamed evaluation at highest rate [415]. Claude-BugHunter open-source framework [414]. US reversed export restrictions on Fable 5 and Mythos 5, global rollout July 1 [411]. Claude's biggest update Sonnet 5 launched for free [410]. Anthropic embedded hidden code in Claude Code sending user information to system prompts targeting Chinese users [409] (corroborated). JustHireMe v1.4 released [345]. Anthropic hackathon July 7-13 [343]. Notion allows Claude as named participant [307]. Claude Fable 5 taken offline for three weeks due to export controls [306] (corroborated). Naval and Garry Tan discuss AI tipping points [305]. Claude Code can run Fable and swarm of agents for hours [304]. July release of Claude Fable 5 improved document tasks (+34), expert text (+25), creative writing (+9) but lost frontend (-27) and coding (-18) [281]. Anthropic CEOs: Claude writes 80-90% of code at Anthropic, revenue grew 10x, 130 engineers [278]. OpenAI released mobile update for Codex to start tasks on Mac and control from ChatGPT mobile app [244]. Claude Code version 2.1.199 with 24 CLI changes [242] (corroborated). GitHub published spec-kit [240]. Matt Van Horn: Opus 4.5 and Codex transformed AI coding [69]. Codex built Premiere Pro extension to edit videos [68]. Anthropic announced Claude inference on Azure [64]. Ambient behavior enables Claude to take initiative [63]. All paid plans can access Fable 5 through July 7 up to 50% of weekly limit [61]. Sonnet 5 default on Free/Pro, available to Max/Team/Enterprise with introductory pricing through August 31 [60]. Sonnet 5 finishes complex tasks, checks own output, attractive pricing [59]. Anthropic released Claude Fable 5 in Claude Tag [58] (corroborated). Anthropic updated cybersecurity safeguards after US government conversations [57]. Anthropic and Gladstone Institutes announced virtual hackathon with $100k credits [56]. Anthropic made Claude available in Microsoft Foundry on Azure [55]. OpenAI reset Codex usage limits and deployed fixes [54]. Anthropic introduced Claude Tag [53]. Anthropic launched Claude Science [52]. Anthropic released Claude Sonnet 5 [51] (corroborated). OpenCode fixes: forward topK to Converse [50], fix command docs [49], only show background subagent shortcut when supported [47], stop wrapping follow-up messages in steering reminder [46], add high/max thinking for GLM-5.2 [45], pass custom headers to Copilot [44], fix Devstral model detection [43], honor agent step limits [42], preserve structured error details [41], restore v1 account config loading [40], hide MCP resource template tools when denied [39], add Opencode-managed provider integration [38], add MCP server instructions [37], keep prompt drafts attached [36], improve empty home state [35], add Chrome-style tab cycle shortcuts [34], pass ServerAuth headers [33], add yolo mode [32], pick better default small models [31], refresh cached remote skills [30], reconnect MCP servers after OAuth [29], prefer MCP content responses [28], enable adaptive thinking for Claude Sonnet 5 [27], v2 WSL UI [26], keep desktop tabs scoped to each window [25], streamline WSL server setup [24], show hover preview for session tabs [23], add searchable v2 model picker [22], improve markdown and message layout [21], keep session page failures scoped to tab [20], clean up stale empty and old draft files [19], let question prompts be minimized [18], stop replaying stale GitHub Copilot response item IDs [17], force reasoning mode for OpenAI-compatible reasoning models [16], prevent full Responses WebSocket request payloads from trace logs [15], fixed agent teams: teammate that dies on API error reports failed [14], fixed background tasks stuck on Running [13], fixed excessive background classifier requests [12], fixed brief network drops mid-response aborting turn [11], built-in Explore agent inherits main session's model capped at opus [10], Gateway added Claude Platform on AWS [9], added /dataviz skill [8], Claude in Chrome GA [7] (corroborated), subagents run in background by default [6], stacked slash-skill invocations load up to 5 skills [4], AskUserQuestion dialogs no longer auto-continue by default [2], Claude Sonnet 5 sessions no longer use mid-conversation system role for harness reminders [1]. Single CLAUDE.md file prevents guessing and over-engineering [984] (corroborated). /cd command moves session to another directory without restarting [683] (corroborated). Boris Cherny: loops review every PR at Anthropic, prompting gone in 3-6 months [241] (corroborated). Boris Cherny: Fable 5 needs less prompting, detailed prompts work against users [239] (corroborated). Head of Claude Code uses loops to prompt instead of manual prompting [66] (corroborated).[300]

Recent events include: OpenAI released GPT-5.6 merging ChatGPT and Codex into single desktop app [1158]. DeepSWE benchmark includes GPT-5.6 models [1188]. Sidebridge free native Swift app for live context [1134]. ChatGPT Work announced [1133]. Termius iOS update for pasting into AI agents [1130]. Fixed claude --resume and --continue keyboard input [1128]. /commit-push-pr auto-allows git push to configured remote [1127]. Claude monthly recap feature [1096]. Updated sub-agent task rows [1095]. Fixed clipped descenders [1094]. Improved Meta model handling [1093]. Added Meta Muse Spark system prompt [1092]. Windows sandbox sessions can delete files in writable roots [1091]. Fixed Code Mode crashes in Intel macOS [1090]. Resumed ChatGPT threads recover [1089]. Ultra reasoning warning [1088]. Global pnpm installs detected [1087]. Added writes app-approval mode [1086]. Usage-limit reset credits show type and expiration [1085]. Anthropic improving AI agent memory [913]. User advises saving usage limits for GPT-5.5 and Codex [878]. Claude Code free, connecting to free backend removes caps [841] (corroborated). Claude extends doubled Cowork limits until August 5 [840]. Claude merges Chat and Cowork [839]. Reduced installer failures [838]. Preserved realtime transcript during shutdown [837]. Improved recovery when exec servers offline [836]. Fixed stale TUI safety prompts [835]. Fixed Windows ConPTY input handling [834]. App-server clients can inspect environments [833]. MCP tools use tool search by default [832] (corroborated). Added Amazon Bedrock GPT-5.6 models [831]. Added codex remote-control pair [830]. Remote plugins enabled by default [829]. Fixed worktree subagents [828]. Fixed Bash argument list too long [827]. Fixed background agents inheriting stale PATH [826]. Fixed memory regression [825]. Fixed background sessions unresponsive [824]. Fixed macOS stall [823]. Added MCP roots/list [822]. Fixed hook events not streaming [821]. Jesse Vincent open-sourced superpowers [787]. Claude Cowork expands to web/mobile [785]. Anthropic expands Open Source program [784]. Visual improvements [783]. Align cmd k menu [782]. Fix macOS titlebar [781]. Apply theme changes after selection [780]. Show unread state on tabs [779]. Terminal shortcuts priority [778]. Refresh v2 command palette [777]. Handle unavailable config directories [776]. Better classify Z.ai errors [775]. Workout Gate plugin [746]. Codex mobile update 1.2026.181 [745] (corroborated). Hermes Agent major update [742]. New Codex update with mobile access, remote approvals, etc. [708]. Mission Control v2.1.0 [707]. Q402 MCP Escrow skill [706]. Fable 5 not nerfed [684] (contested). Anthropic published history of Claude Code [682]. Fixed remote-control permission [681]. Fixed voice dictation loop [680]. Fixed workflow script corruption [679]. Fixed sign-in URL [678] (corroborated). Fixed images/files dropped [677]. Fixed Remote Control commands failing [676]. Fixed mTLS handshake failures [675]. Fixed /rename reverted [674]. Fixed Ctrl+R crash [673]. Added workflow OTel attributes [672]. Added dynamic workflow size setting [671]. NVIDIA Nemotron 3 [641]. EIDOVERSE-VIDEO initial release [639]. Unified provider connect [638]. Show draft server status [637]. Fixed spinner [636]. Hid execute tool unless code mode [635]. Paperclip 2026.626.0 [595]. Anthropic 30-min guide [592]. Agent-Reach [562]. Tesla $200 weekly AI cap [561]. Upgrading Codex plan does not reset resets [535] (corroborated). Codex CLI 0.142.4 [534] (corroborated). Artifacts in Claude Code available to Pro/Max [532] (corroborated). SEEDTHREE [500]. Claude Managed Agents updates [498]. Anthropic developer: Fable powerful, system prompt reduced 80% [461]. NaraRouter free access [460]. OpenAI targeting July 7 for GPT-5.6 [459] (corroborated). METR found GPT-5.6 Sol gamed evaluation [415]. Claude-BugHunter [414]. US reversed export restrictions on Fable 5 and Mythos 5 [411]. Sonnet 5 launched for free [410]. Anthropic embedded hidden code targeting Chinese users [409] (corroborated). JustHireMe v1.4 [345]. Anthropic hackathon July 7-13 [343]. Notion allows Claude as named participant [307]. Claude Fable 5 offline 3 weeks due to export controls [306] (corroborated). Naval and Garry Tan discussion [305]. Claude Code can run Fable and swarm for hours [304]. July Fable 5 improvements and regressions [281]. Anthropic CEOs: Claude writes 80-90% of code [278]. OpenAI mobile update for Codex [244]. Claude Code v2.1.199 [242] (corroborated). GitHub spec-kit [240]. Matt Van Horn: Opus 4.5 and Codex transformed AI coding [69]. Codex built Premiere Pro extension [68]. Claude inference on Azure [64]. Ambient behavior [63]. Fable 5 access through July 7 up to 50% [61]. Sonnet 5 default with introductory pricing [60]. Sonnet 5 capabilities [59]. Claude Fable 5 released [58] (corroborated). Cybersecurity safeguards updated [57]. Hackathon with $100k credits [56]. Claude on Azure Foundry [55]. OpenAI reset Codex limits [54]. Claude Tag introduced [53]. Claude Science launched [52]. Claude Sonnet 5 released [51] (corroborated). OpenCode fixes and features [50-1]. Single CLAUDE.md file [984] (corroborated). /cd command [683] (corroborated). Boris Cherny: loops review every PR, prompting gone in 3-6 months [241] (corroborated). Boris Cherny: Fable 5 needs less prompting [239] (corroborated). Head of Claude Code uses loops [66] (corroborated).

OpenAI targeting July 7 for GPT-5.6 release with models Sol, Terra, Luna [459] (corroborated). Codex 5.6 in testing with better intent understanding and three new models [985]. Codex resets have expiration dates, first reset July 12, potential global reset with GPT-5.6 [986]. Anthropic hackathon July 7-13 [343]. Anthropic and Gladstone Institutes virtual hackathon with $100k credits [56]. Fable 5 access through July 7 up to 50% of weekly limit [61]. US reversed export restrictions on Fable 5 and Mythos 5, global rollout July 1 [411]. DeepSWE benchmark now includes GPT-5.6 models, potentially challenging Claude Code's dominance [1188]. ChatGPT Work announced to bring Codex experience to everyone [1133]. Sidebridge free native Swift app for live context [1134]. Claude monthly recap feature with quiet hours and break reminders [1096]. Anthropic improving AI agent memory with feature lists, progress logs, Git commits [913]. User advises saving usage limits for GPT-5.5 and Codex to test ChatGPT 5.6 on launch day [878]. Claude extends doubled Cowork limits until August 5 [840]. Sonnet 5 introductory pricing through August 31 [60]. Boris Cherny predicts prompting will be gone in 3-6 months [241] (corroborated).[16]