GPT-5.4 Nano
GPT-5.4 NanoAlternatives?
CheaperGPT-6.1 Sollow×13.5-29%$0.13Remove unsupported parameters+5BetterGPT-6 Lunamedium×3.2-90%$0.017Function calling only with none · Chat Completions+3
OpenDeepSeek V4.1 Flash 1017max×13.7+43%$0.26Pass back reasoning_content · Chat Completions+4
CheaperClaude Haiku 5.5xhigh×10.8-32%$0.12Remove sampling parameters+5
CheaperGLM 5.3 FlashhighOpen×8.8-49%$0.15 / $0.50Defaults to max · Self-hosted+4GPT-6.1 Sollow×13.5-29%$0.13Remove unsupported parameters+5Claude Haiku 5.5xhigh×10.8-32%$0.12Remove sampling parameters+5GPT-6 Lunamax×10.4-63%$0.068Function calling only with none · Chat Completions+3GLM 5.3 FlashhighOpen×8.8-49%$0.15 / $0.50Defaults to max · Self-hosted+4GPT-5.6 Lunaxhigh×8.4-53%$0.085GPT-6 Lunamedium×3.2-90%$0.017Function calling only with none · Chat Completions+3GPT-5.6 Lunahigh×5.2-76%$0.044Claude Haiku 5.5medium+66%-74%$0.047Remove sampling parameters+5GPT-6.1 Sollow×13.5-29%$0.13Remove unsupported parameters+5GPT-6 Sollow×5.5-27%$0.13DeepSeek V4.1 Flash 1017maxOpen×13.7+43%$0.26Pass back reasoning_content · Chat Completions+4GLM 5.3 FlashmaxOpen×11.6+55%$0.28Defaults to max · Self-hosted+4DeepSeek V4 Pro 0813maxOpen×10.8+268%$0.67No image input+5
Kimi K3maxOpen×10.6+992%$2.00Sampling parameters are fixed+3
Muse Spark OpenxhighOpen×10.1+361%$0.84Reasoning off leaves output unchanged · Self-hosted / llama.cpp+1GPT-6 Astraxhigh×16.4+1,161%$2.31Monitoring can return HTTP 403+2GPT-6.1 Solxhigh×16.1+115%$0.39Remove unsupported parameters+5GPT-5.6 Solxhigh×15.8+547%$1.18GPT-5.5xhigh×14.9+1,047%$2.10Prompts with >272K input tokensGPT-5.5 Proxhigh×14.8—$30 / $180GPT-5.4 Proxhigh×14.6—$30 / $180No strict JSONGPT-6 Solxhigh×13.7+184%$0.52GPT-5.6 Terraxhigh×13+245%$0.63Prompts with >272K input tokensAll OpenAI models →History
5 versionsBenchmarks
in Chat & KnowledgeFAQ
How much does GPT-5.4 Nano cost?›
$0.20 per 1M input tokens and $1.25 per 1M output tokens; cached input $0.02 per 1M. A typical benchmark task costs about $0.18 at xhigh effort.
Is GPT-5.4 Nano free to use?›
There is no free API; the cheapest paid price is $0.20 per 1M input tokens.
How good is GPT-5.4 Nano, and what is it best at?›
#93 of 336 in Chat & Knowledge, #65 of 134 in Coding, #83 of 135 in Agents & Tool Use, #119 of 197 in Writing & Language, #80 of 125 in Vision & Documents. Strongest at: Instructions.
Is GPT-5.4 Nano better than o3?›
On ARC-AGI-2 · semi-private, GPT-5.4 Nano scores 5.7 vs 6.5 — about the same.
How can I use GPT-5.4 Nano?›
Through the API of Azure, OpenAI.
What is the context window of GPT-5.4 Nano?›
400K tokens, with up to 128K output tokens.
When was GPT-5.4 Nano released? Is there a newer version?›
Released 2026-03-17. It has been superseded by GPT-6 Luna.
Is GPT-5.4 Nano open source?›
No, GPT-5.4 Nano is a closed model available through an API. The closest open-weights option here is DeepSeek V4.1 Flash 1017.
Can GPT-5.4 Nano read images?›
It accepts text and images, PDF files as input.
What is GPT-5.4 Nano?›
GPT-5.4 Nano is a closed language model from OpenAI, released Mar 2026.
What are the best alternatives to GPT-5.4 Nano?›
GPT-6.1 Sol (cheaper), GPT-6 Luna (better), DeepSeek V4.1 Flash 1017 (open weights).