One prompt can now drive more of your work More support for defending infrastructure and open source See Claude’s rules updated for newer risks GPT-6 Intelligent UI makes conversations visual and interactive Claude Haiku 5.5 delivers low-cost, high-performance AI Create visual, interactive answers from a simple chat Run high-volume tasks with a cheaper fast model Share new mathematical results on GitHub to accelerate research Easier access to advanced Claude models for security work Run image, audio, and video search on-device with one model Atlassian integration makes company knowledge easier to use Decisions beta speeds up typed answers from text and images Anthropic expands safer access to advanced cyber features Enable text watermarking via API for EU compliance Claude training becomes easier for enterprise teams Anthropic invests in workforce training for enterprise adoption Enterprise adoption and training get easier Google's Gemini 4 Argon makes heavy tasks easier to offload Gemini 4 Argon is built for long professional tasks Use Astra-level performance affordably in daily work One prompt can now drive more of your work More support for defending infrastructure and open source See Claude’s rules updated for newer risks GPT-6 Intelligent UI makes conversations visual and interactive Claude Haiku 5.5 delivers low-cost, high-performance AI Create visual, interactive answers from a simple chat Run high-volume tasks with a cheaper fast model Share new mathematical results on GitHub to accelerate research Easier access to advanced Claude models for security work Run image, audio, and video search on-device with one model Atlassian integration makes company knowledge easier to use Decisions beta speeds up typed answers from text and images Anthropic expands safer access to advanced cyber features Enable text watermarking via API for EU compliance Claude training becomes easier for enterprise teams Anthropic invests in workforce training for enterprise adoption Enterprise adoption and training get easier Google's Gemini 4 Argon makes heavy tasks easier to offload Gemini 4 Argon is built for long professional tasks Use Astra-level performance affordably in daily work

Official sources only. Rumors, leaks, and get-rich schemes are excluded.

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AI BriefingOpenAIFeature Updates18:10

AI summarized from verified sources

OpenAI Rolls Out GPT-5.4 Thinking & Pro in ChatGPT

Powers complex workflows accurately and efficiently.

SOURCE CHECK

2 sources

VERIFIED

Sources

Primary / x.com

Official Blog

Supporting / openai.com

Official Blog

Key Points

133% fewer false claims, 18% less response errors.
21M context, 47% tool efficiency gain.
3Mid-response steering available.
4Enhanced Excel integration.

OpenAI launched GPT-5.4 Thinking and Pro across ChatGPT, API, and Codex. It boosts factuality, efficiency in reasoning, coding, and agents. Business users gain precise spreadsheet/presentation handling and mid-response steering. API pricing: $2.50/M input, $15/M output tokens.

What changed

OpenAI launched GPT-5.4 Thinking and Pro across ChatGPT, API, and Codex. It boosts factuality, efficiency in reasoning, coding, and agents. Business users gain precise spreadsheet/presentation handling and mid-response steering. API pricing: $2.50/M input, $15/M output tokens.

Why it matters

Powers complex workflows accurately and efficiently.

What to watch

Powers complex workflows accurately and efficiently. Key checks: 33% fewer false claims, 18% less response errors. / 1M context, 47% tool efficiency gain. / Mid-response steering available..