The day in AI
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Everything from this day
Launches and products
5 Feb 2026AnthropicClaude Opus 4.6 Claude Opus 4.6 adds a 1M-token context (beta), 128K output, adaptive thinking and Claude Code agent teams at unchanged $5/$25 pricing.5 Feb 2026OpenAIGPT-5.3-Codex GPT-5.3-Codex is OpenAI's first model "instrumental in creating itself", as early versions helped debug its own training and manage its deployment.5 Feb 2026OpenAIOpenAI Frontier (enterprise agent platform) Frontier is an enterprise platform to build, deploy and manage AI agents with shared context, onboarding, feedback and permissions.5 Feb 2026OpenAITrusted Access for Cyber Trusted Access for Cyber is an identity-verified program giving defenders reduced-friction access to OpenAI's more cyber-capable models.
Research
5 Feb 2026AnthropicBuilding a C compiler with a team of parallel Claudes Sixteen parallel Claude agents wrote a roughly 100,000-line Rust C compiler over two weeks that boots Linux 6.9 on x86, ARM and RISC-V.5 Feb 2026AnthropicQuantifying infrastructure noise in agentic coding evals Anthropic shows resource configuration alone moves Terminal-Bench 2.0 scores by up to 6 points, often more than gaps between top models.5 Feb 2026AnthropicLLM-discovered zero-days (Opus 4.6) Released with Opus 4.6, Anthropic reports Claude found and validated more than 500 high-severity vulnerabilities in well-tested open-source software with no custom scaffolding.