GPT-5.4 Nano
GPT-5.4 NanoAlternatives?
CheaperGLM 5.3 FlashunstatedOpenwins 67%-49%$0.15 / $0.50Defaults to max · Self-hosted+4BetterGPT-6 Lunamaxwins 57%-57%$0.068Function calling only with none · Chat Completions+3
OpenMiMo v2.6 Prounstatedwins 71%+18%$0.43 / $0.87Pass back reasoning_content+3
CheaperGemma 4 31BunstatedOpenwins 64%-65%$0.10 / $0.34Context: 400K → 256K
CheaperHy3unstatedOpenwins 63%-50%$0.13 / $0.53Context: 400K → 256K+1GLM 5.3 FlashunstatedOpenwins 67%-49%$0.15 / $0.50Defaults to max · Self-hosted+4Gemma 4 31BunstatedOpenwins 64%-65%$0.10 / $0.34Context: 400K → 256KHy3unstatedOpenwins 63%-50%$0.13 / $0.53Context: 400K → 256K+1MiMo v2.6 FlashunstatedOpenwins 63%-62%$0.14 / $0.28Pass back reasoning_content+3Gemma 4 26B A4BunstatedOpenwins 62%-43%$0.15 / $0.60Context: 400K → 256KGPT-6 Lunamaxwins 57%-57%$0.068Function calling only with none · Chat Completions+3
Claude Haiku 5.5highwins 53%-57%$0.079Remove sampling parameters+5GPT-5.6 Lunaxhighwins 62%same$0.085GPT-5.6 Terraxhighwins 64%+873%$0.63Prompts with >272K input tokensGPT-6.1 Solmaxwins 65%+765%$0.72Remove unsupported parameters+5MiMo v2.6 ProunstatedOpenwins 71%+18%$0.43 / $0.87Pass back reasoning_content+3GLM 5.2maxOpenwins 70%+365%$1.28No image inputGLM 5.3maxOpenwins 70%+365%$2.01No image input+4
Kimi K3maxOpenwins 69%+1,197%$2.00Sampling parameters are fixed+3GLM 5.1unstatedOpenwins 69%+365%$1.40 / $4.40Context: 400K → 203K+1GPT-5.5highwins 69%—$1.40Prompts with >272K input tokensGPT-5.6 Solxhighwins 69%—$1.18GPT-5.4highwins 67%—$2.50 / $15GPT-5.1highwins 66%—$1.25 / $10GPT-6.1 Solmaxwins 65%—$0.72Remove unsupported parameters+5GPT-6 Astramaxwins 65%—$3.26Monitoring can return HTTP 403+2GPT-5.6 Terraxhighwins 64%—$0.63Prompts with >272K input tokensGPT-5.6 Lunaxhighwins 62%—$0.085All OpenAI models →History
5 versionsBenchmarks
in Writing & LanguageFAQ
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.
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?›
#141 of 336 in Chat & Knowledge, #65 of 134 in Coding, #83 of 135 in Agents & Tool Use, #119 of 197 in Writing & Language, #97 of 125 in Vision & Documents.
Is GPT-5.4 Nano better than INTELLECT 3?›
On Arena Text · creative writing · October 22, 2026, GPT-5.4 Nano scores 1,314.2 vs 1,316 — 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 MiMo v2.6 Pro.
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?›
GLM 5.3 Flash (cheaper), GPT-6 Luna (better), MiMo v2.6 Pro (open weights).