GPT-5.6 Sol API and credit pricing cut by over 20%Claude Security now scans GitHub repos with Mythos 5 Zero Data Retention continues with Private Safety Processing preview for stronger safety Claude can now send Gmail emails and manage Google Drive files Strengthen monitoring for high-risk training and pause RL runs Approved defenders can advance advanced vulnerability research with GPT-5.6-Cyber Cyclone forecasts now provide over a day of extra lead time Talk while reasoning or using tools without conversation breaks AI delivers new results on 10 long-standing math problems with proofs released GPT-5.6 Luna and Terra prices drop 80% and 20%, with faster Sol option added Opus 5 now available on all paid plans and API Securely link health records to understand symptom changes and test results in context Run code inside notes for deeper analysis GPT-Red boosts prompt injection resistance significantly Cut lesson prep time with AI You can move from conversation to documents faster Run AI inference in the browser and cut wait time Review how you use Claude and cut waste Long tasks can move from draft to presentation more easily Track the latest safety rules for bigger models GPT-5.6 Sol API and credit pricing cut by over 20%Claude Security now scans GitHub repos with Mythos 5 Zero Data Retention continues with Private Safety Processing preview for stronger safety Claude can now send Gmail emails and manage Google Drive files Strengthen monitoring for high-risk training and pause RL runs Approved defenders can advance advanced vulnerability research with GPT-5.6-Cyber Cyclone forecasts now provide over a day of extra lead time Talk while reasoning or using tools without conversation breaks AI delivers new results on 10 long-standing math problems with proofs released GPT-5.6 Luna and Terra prices drop 80% and 20%, with faster Sol option added Opus 5 now available on all paid plans and API Securely link health records to understand symptom changes and test results in context Run code inside notes for deeper analysis GPT-Red boosts prompt injection resistance significantly Cut lesson prep time with AI You can move from conversation to documents faster Run AI inference in the browser and cut wait time Review how you use Claude and cut waste Long tasks can move from draft to presentation more easily Track the latest safety rules for bigger models

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AI BriefingOpenAIFeature Updates17:09

AI summarized from verified sources

OpenAI Launches GPT-5.4 Mini & Nano Fast Small Models

Accelerates coding & agents at low cost

SOURCE CHECK

3 sources

VERIFIED

Sources

Primary / openai.com

Official Blog

Supporting / x.com

Official Blog

Supporting / x.com

Official Blog

Key Points

1Mini: $0.75/1M in, $4.50/1M out
2Nano: $0.20/1M in, $1.25/1M out - cheapest
32x faster, 54.4% SWE-Bench
4Free ChatGPT users access mini

OpenAI introduced its most capable small models, GPT-5.4 mini and nano. Mini is 2x faster than GPT-5 mini, optimized for coding, multimodal, and subagents with 400k context. Nano is the cheapest for light tasks. Enables fast, low-latency business AI easily via API, ChatGPT, Codex.

What changed

OpenAI introduced its most capable small models, GPT-5.4 mini and nano. Mini is 2x faster than GPT-5 mini, optimized for coding, multimodal, and subagents with 400k context. Nano is the cheapest for light tasks. Enables fast, low-latency business AI easily via API, ChatGPT, Codex.

Why it matters

Accelerates coding & agents at low cost

What to watch

Accelerates coding & agents at low cost Key checks: Mini: $0.75/1M in, $4.50/1M out / Nano: $0.20/1M in, $1.25/1M out - cheapest / 2x faster, 54.4% SWE-Bench.