Frontier Models▸What just happened in frontier model releases?▸time machine

What just happened in frontier model releases?

version 2 · published 3d ago · superseded by v3

Current state

Multiple frontier model releases occurred. Anthropic released Claude Sonnet 5, replacing Sonnet 4.6 as default, with agentic performance close to Opus 4.8 at 40% API price [354]. OpenAI released ChatGPT Work, an agent powered by Codex and GPT-5.6 [1041]. LingBot-Video, a 30B-param MoE video model with 3B active params, outperforms Wan2.6, Seedance 1.5 Pro, and Cosmos3 Super on RBench [1042]. GPT 5.6 Sol passed the Replit Benchmark by creating a full Replit clone in one prompt [993]. OpenAI expanded Daybreak to democratize patching vulnerable software, including a Codex Security plugin and GPT-5.5-Cyber model [159].[5]

Timeline

Events in order: Anthropic released Claude Sonnet 5 [354]; OpenAI released ChatGPT Work [1041]; LingBot-Video outperformed competitors [1042]; GPT 5.6 Sol passed Replit Benchmark [993]; OpenAI expanded Daybreak [159]. All claims are emerging except ChatGPT Work which is corroborated [1041].[5]

Upcoming catalysts

No upcoming catalysts are mentioned in the claims.

What changed in this versionvs v1

Added multiple new events: LingBot-Video, GPT 5.6 Sol, ChatGPT Work, and OpenAI Daybreak expansion. Updated verdict to reflect multiple releases instead of just Claude Sonnet 5.

+Multiple frontier model releases occurred.

+Anthropic released Claude Sonnet 5, replacing Sonnet 4.6 as default, with agentic performance close to Opus 4.8 at 40% API price [354].

+OpenAI released ChatGPT Work, an agent powered by Codex and GPT-5.6 [1041].

+LingBot-Video, a 30B-param MoE video model with 3B active params, outperforms Wan2.6, Seedance 1.5 Pro, and Cosmos3 Super on RBench [1042].

+GPT 5.6 Sol passed the Replit Benchmark by creating a full Replit clone in one prompt [993].

+OpenAI expanded Daybreak to democratize patching vulnerable software, including a Codex Security plugin and GPT-5.5-Cyber model [159].

+Events in order: Anthropic released Claude Sonnet 5 [354]; OpenAI released ChatGPT Work [1041]; LingBot-Video outperformed competitors [1042]; GPT 5.6 Sol passed Replit Benchmark [993]; OpenAI expanded Daybreak [159].

+All claims are emerging except ChatGPT Work which is corroborated [1041].

−Anthropic released Claude Sonnet 5, which replaces Sonnet 4.6 as the default model.

−It offers agentic performance close to Opus 4.8 at 40% of the API price.

−The only event in the claims is the release of Claude Sonnet 5 by Anthropic.