Small models now carry the agent workload, and the tools are following
GPT-5.4 mini and nano and Forge, and The Deploy Log for this week. Every price and claim read off the publisher's own page, with a call on each.
OpenAI
GPT-5.4 mini and nano
DEPLOYif you run coding assistants or subagents
WHAT SHIPPEDGPT-5.4 mini and nano released. Mini hits SWE-Bench Pro 54.4% and OSWorld-Verified 72.1%, running more than 2x faster than GPT-5 mini. Nano costs $0.20 per 1M input tokens and $1.25 per 1M output tokens.
THE CATCHMini approaches GPT-5.4 on OSWorld-Verified at 72.1% versus 75.0%, but long-context retrieval drops sharply: OpenAI MRCR v2 8-needle 64K-128K is 47.7% against GPT-5.4's 86.0%.
IF YOU RUNhigh-volume coding or computer-use workloads where latency shapes the product experience
SOURCEOpenAI, Introducing GPT-5.4 mini and nano
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