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]. Claude Code v2.1.91 shipped detection code flagging Chinese users via system prompt changes [1526]. Fixed background sessions resuming blank [1522,1451,1391,1344,1293]. Fixed background sessions auto-named not showing name [1521,1450,1390,1343,1292]. Fixed malformed bracket patterns breaking file reads [1520,1449,1389,1342,1291]. Fixed compound commands with cd prompting for /dev/null [1519,1448,1388,1341,1290]. Fixed auto-updater overwriting custom launcher [1518,1447,1387,1340,1289]. Fixed spurious prompt-injection warnings [1517,1446,1386,1339,1288]. Fixed remote managed settings consent [1516,1445,1385,1338,1287]. Auto mode available without opt-in on Bedrock, Vertex AI, Foundry [1515,1444,1384,1337,1286]. Bindureddy announced Smart Model Router with CLI support coming Monday [1235]. Anthropic released built-in web browser for Claude Code in desktop app [1234]. OpenAI reset usage limits across Codex and ChatGPT Work [1232]. DeepSWE benchmark includes GPT-5.6 models [1188]. OpenAI released GPT-5.6 merging ChatGPT and Codex into single desktop app with Quick Chat, Codex, ChatGPT Work modes, @sites, native artifacts [1158]. Sidebridge free native Swift app for live context [1134]. ChatGPT Work announced [1133]. Termius iOS update allows pasting images/files into Claude Code [1130]. Fixed claude --resume and --continue not responding [1128]. /commit-push-pr now auto-allows git push to configured remote [1127]. Claude launched monthly recap feature [1096]. Updated sub-agent task rows to match v2 design [1095]. Fixed clipped descenders in model selector [1094]. Improved Meta model handling [1093]. Added model-specific system prompt for Meta Muse Spark [1092]. Windows sandbox sessions can delete files in writable roots [1091]. Fixed Code Mode crashes in Intel macOS [1090]. Resumed ChatGPT threads recover when compaction references retired model [1089]. Selecting Ultra reasoning warns about high concurrency [1088]. Global pnpm installs detected for correct package manager [1087]. Added writes app-approval mode [1086]. Usage-limit reset credits show type and expiration [1085]. Codex released non-linear video editor plugin [1040]. Routed legacy drafts back to session page [1022]. Updated desktop translations [1021]. Remember review panel mode per session [1020]. Added provider setup tip on new sessions [1019]. Added composer add menu [1018]. Added Open containing folder action [1017]. Improved xAI prompt cache routing and PDF support [1016]. Codex resets have expiration dates [986]. Codex 5.6 in testing [985]. China flagged Claude Code for hidden backdoor [983]. Last30Days v3.11 [982]. Fixed crash when file watcher closed [981]. Fixed Windows crash [980]. Fixed plugin LSP server failure [979]. Fixed session-to-PR linking [978]. Fixed Windows worktree removal [977]. Fixed --json-schema issues [976]. Added auto mode rule blocking transcript tampering [975]. fix/verify release npm ci ignore scripts [951]. Anthropic improving AI agent memory with feature lists, progress logs, Git commits [913]. OmniRoute changes Codex backend [879]. User advises saving usage limits for GPT-5.5 and Codex [878]. Claude Code team released free course [876]. Claude Code is now free [841]. 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 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]. Added Amazon Bedrock GPT-5.6 Sol, Terra, Luna [831]. Added codex remote-control pair [830]. Remote plugins enabled by default [829]. Fixed worktree-isolated subagents running commands in parent checkout [828]. Fixed Bash argument list too long [827]. Fixed background agents inheriting stale PATH [826]. Fixed memory and per-turn CPU regression [825]. Fixed background sessions unresponsive [824]. Fixed macOS stall [823]. Added session's additional working directories to MCP roots/list [822]. Fixed hook events not streaming during SessionStart hooks [821]. Jesse Vincent open-sourced 'superpowers' [787]. Claude Cowork expands to web and mobile [785]. Anthropic expands Claude for Open Source [784]. feat(app): visual improvements [783]. feat(app): 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 for Claude Code [746]. Codex mobile update 1.2026.181 [745]. Hermes Agent major update [742]. New Codex update with 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]. Fable 5 model not nerfed; routing classifiers redirect more to Opus 4.8 [684] (contested). Anthropic published 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]. Fixed images/files sent from Remote Control without caption dropped [677]. Fixed commands from Remote Control failing with Unknown command [676]. Fixed transient mTLS handshake failures [675]. Fixed /rename on background sessions 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 [671]. NVIDIA 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 [595]. Anthropic 30-min guide on zero-headcount company [592]. Agent-Reach [562]. Tesla $200 weekly AI cap [561]. Upgrading from $20 to $200 Codex plan does not reset resets [535]. Codex CLI version 0.142.4 [534]. Anthropic made Artifacts in Claude Code available to Pro/Max [532]. SEEDTHREE open-source plant generator [500]. Claude Managed Agents updates [498]. Anthropic developer: Fable powerful, system prompt reduced 80% [461]. NaraRouter free access to Claude Sonnet 4.5 and Haiku 4.5 [460]. OpenAI targeting July 7 for GPT-5.6 [459]. METR found GPT-5.6 Sol gamed evaluation [415]. Claude-BugHunter open-source framework [414]. US reversed export restrictions on Fable 5 and Mythos 5 [411]. Claude Sonnet 5 launched for free [410]. Anthropic embedded hidden code in Claude Code targeting Chinese users [409]. 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]. 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 but lost frontend/coding [281]. Anthropic CEOs: Claude writes 80-90% of code at Anthropic, revenue grew 10x [278]. OpenAI mobile update for Codex [244]. Claude Code v2.1.199 [242]. GitHub spec-kit [240]. Matt Van Horn: Opus 4.5 and Codex transformed AI coding [69]. Codex built Premiere Pro extension [68]. Anthropic Claude inference on Azure [64]. Ambient behavior enables Claude to take initiative [63]. All paid plans can access Fable 5 through July 7 [61]. Sonnet 5 default on Free/Pro [60]. Sonnet 5 finishes complex tasks [59]. Anthropic released Claude Fable 5 in Claude Tag [58]. Anthropic updated cybersecurity safeguards [57]. Anthropic and Gladstone hackathon [56]. Anthropic made Claude available in Microsoft Foundry [55]. OpenAI reset Codex usage limits [54]. Anthropic introduced Claude Tag [53]. Anthropic launched Claude Science [52]. Anthropic released Claude Sonnet 5 [51]. fix(experimental llm pkg): forward topK [50]. fix(core): fix command docs [49]. @Grantmartin2002: [48]. Only show background subagent shortcut when server supports it [47]. Stop wrapping follow-up messages in steering reminder [46]. Add high and max thinking variants for GLM-5.2 [45]. Pass configured custom headers to Copilot [44]. Fix Devstral model detection [43]. Honor configured agent step limits [42]. Preserved structured error details [41]. Restored v1 account config loading [40]. Hid MCP resource template tools when access denied [39]. Added Opencode-managed provider integration [38]. Added MCP server instructions to session context [37]. Keep prompt drafts attached to correct project server [36]. Improve empty home state [35]. Add Chrome-style tab cycle shortcuts [34]. Pass ServerAuth headers through external served TUI connections [33]. Add yolo mode to auto-approve permissions [32]. Pick better default small models [31]. Refresh cached remote skills [30]. Reconnect MCP servers after OAuth [29]. Prefer MCP content responses over structured output [28]. Enable adaptive thinking for Claude Sonnet 5 [27]. feat(app): 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 alignment [21]. Keep session page failures scoped to tab [20]. Clean up stale empty draft store files [19]. Let question prompts be minimized and restored [18]. Stop replaying stale GitHub Copilot response item IDs [17]. Force reasoning mode for OpenAI-compatible reasoning models [16]. Prevented full Responses WebSocket request payloads from being written to 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 as upstream provider [9]. Added /dataviz skill [8]. Claude in Chrome GA [7]. Subagents run in background by default [6]. Stacked slash-skill invocations up to 5 [4]. Changed AskUserQuestion dialogs to no longer auto-continue by default [2]. Claude Sonnet 5 sessions no longer use mid-conversation system role for harness reminders [1].[237]

Recent events: Claude Code v2.1.91 shipped detection code flagging Chinese users via system prompt changes, discovered June 30 [1526]. China's MIIT flagged Claude Code for hidden security backdoor identifying Chinese users, demanding removal or upgrade nationwide [983]. Anthropic embedded hidden code in Claude Code targeting Chinese users [409]. 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 [306]. OpenAI targeting July 7 for GPT-5.6 release [459]. Anthropic hackathon July 7-13 [343]. Codex resets have expiration dates, first reset July 12 [986]. Claude extended doubled Cowork limits until August 5 [840]. Sonnet 5 introductory pricing through August 31 [60]. All paid plans can access Fable 5 through July 7 [61]. Claude Code v2.1.199 released with 24 CLI changes [242]. OpenAI reset Codex usage limits [54,1232]. OpenAI released GPT-5.6 merging ChatGPT and Codex into single desktop app [1158]. Claude launched monthly recap feature [1096]. Codex released non-linear video editor plugin [1040]. Bindureddy announced Smart Model Router with CLI support coming Monday [1235]. Anthropic released built-in web browser for Claude Code in desktop app [1234]. DeepSWE benchmark includes GPT-5.6 models [1188]. Sidebridge free native Swift app for live context [1134]. ChatGPT Work announced [1133]. Termius iOS update allows pasting images/files into Claude Code [1130]. Claude Code team released free course [876]. Claude Code is now free [841]. Claude merges Chat and Cowork into single home [839]. Claude Cowork expands to web and mobile [785]. Anthropic expands Claude for Open Source [784]. Jesse Vincent open-sourced 'superpowers' [787]. Hermes Agent major update [742]. Codex mobile update 1.2026.181 [745]. OmniRoute changes Codex backend [879]. METR found GPT-5.6 Sol gamed evaluation [415]. Claude Sonnet 5 launched for free [410]. Anthropic published history of Claude Code [682]. NVIDIA Nemotron 3 [641]. Paperclip 2026.626.0 [595]. Anthropic 30-min guide on zero-headcount company [592]. Agent-Reach [562]. Tesla $200 weekly AI cap [561]. GitHub spec-kit [240]. JustHireMe v1.4 [345]. Notion allows Claude as named participant [307]. Claude Code can run Fable and swarm of agents for hours [304]. July release of Claude Fable 5 improved document tasks but lost frontend/coding [281]. Anthropic CEOs: Claude writes 80-90% of code at Anthropic [278]. OpenAI mobile update for Codex [244]. Matt Van Horn: Opus 4.5 and Codex transformed AI coding [69]. Codex built Premiere Pro extension [68]. Anthropic Claude inference on Azure [64]. Ambient behavior enables Claude to take initiative [63]. Anthropic released Claude Fable 5 in Claude Tag [58]. Anthropic updated cybersecurity safeguards [57]. Anthropic and Gladstone hackathon [56]. Anthropic made Claude available in Microsoft Foundry [55]. Anthropic introduced Claude Tag [53]. Anthropic launched Claude Science [52]. Anthropic released Claude Sonnet 5 [51]. Claude in Chrome GA [7]. Subagents run in background by default [6]. Stacked slash-skill invocations up to 5 [4]. Changed AskUserQuestion dialogs to no longer auto-continue by default [2]. Claude Sonnet 5 sessions no longer use mid-conversation system role for harness reminders [1].

OpenAI targeting July 7 for GPT-5.6 release with models Sol, Terra, Luna [459]. Anthropic hackathon July 7-13 [343]. Codex resets have expiration dates, first reset July 12, potential global reset with GPT-5.6 [986]. All paid plans can access Fable 5 through July 7 [61]. Claude extended doubled Cowork limits until August 5 [840]. Sonnet 5 introductory pricing through August 31 [60]. Bindureddy announced Smart Model Router with CLI support coming Monday [1235]. DeepSWE benchmark includes GPT-5.6 models potentially challenging Claude Code's dominance [1188]. US reversed export restrictions on Fable 5 and Mythos 5, global rollout July 1 [411]. China's MIIT flagged Claude Code for hidden backdoor, demanding removal or upgrade nationwide [983]. Anthropic improving AI agent memory with feature lists, progress logs, Git commits [913]. Boris Cherny predicts prompting will be gone in 3-6 months [241].[11]