GPT-5 Nano
GPT-5 NanoAlternatives?
CheaperGemma 3 27BunstatedOpenwins 64%-27%$0.08 / $0.16Context: 400K → 131KBetterGPT-5 Minihighwins 61%+400%$0.053
OpenKimi K3maxwins 78%+4,264%$2.00Sampling parameters are fixed+3
CheaperQwen 3.5 Flashunstatedwins 63%-17%$0.065 / $0.26CheaperGemma 3 12BunstatedOpenwins 62%-55%$0.05 / $0.10Context: 400K → 131KGemma 3 27BunstatedOpenwins 64%-27%$0.08 / $0.16Context: 400K → 131KQwen 3.5 Flashunstatedwins 63%-17%$0.065 / $0.26Gemma 3 12BunstatedOpenwins 62%-55%$0.05 / $0.10Context: 400K → 131KGPT OSS 120BunstatedOpenwins 55%-56%$0.03 / $0.15Context: 400K → 131K+1Gemma 3 4BunstatedOpenwins 54%-69%$0.04 / $0.05Context: 400K → 131KGPT-5 Minihighwins 61%+400%$0.053GPT-6 Lunamaxwins 72%+45%$0.068Function calling only with none · Chat Completions+3GPT-5.6 Lunaxhighwins 72%+227%$0.085GPT-5.6 Terraxhighwins 74%+3,173%$0.63Prompts with >272K input tokensGPT-6.1 Solmaxwins 77%+2,809%$0.72Remove unsupported parameters+5Kimi K3maxOpenwins 78%+4,264%$2.00Sampling parameters are fixed+3
GLM 5.2maxOpenwins 77%+1,464%$1.47No image inputGLM 5.3maxOpenwins 77%+1,464%$2.01No image input+4GLM 5unstatedOpenwins 76%+1,027%$1 / $3.20Context: 400K → 203K+1GLM 5.1unstatedOpenwins 76%+1,464%$1.40 / $4.40Context: 400K → 203K+1GPT-5.6 Solxhighwins 78%—$1.18GPT-6.1 Solmaxwins 77%—$0.72Remove unsupported parameters+5GPT-5.5highwins 76%—$1.54Prompts with >272K input tokensGPT-6 Astramaxwins 76%—$3.26Monitoring can return HTTP 403+2GPT-5.4highwins 76%—$2.50 / $15GPT-6 Solmaxwins 75%—$1.04GPT-5.6 Terraxhighwins 74%—$0.63Prompts with >272K input tokensGPT-5.1highwins 74%—$1.25 / $10All OpenAI models →History
5 versionsBenchmarks
in Writing & LanguageFAQ
How much does GPT-5 Nano cost?›
$0.05 per 1M input tokens and $0.40 per 1M output tokens; cached input $0.005 per 1M.
Is GPT-5 Nano free to use?›
There is no free API; the cheapest paid price is $0.05 per 1M input tokens.
How good is GPT-5 Nano, and what is it best at?›
#207 of 334 in Chat & Knowledge, #99 of 239 in Coding, #147 of 242 in Agents & Tool Use, #161 of 195 in Writing & Language, #98 of 124 in Vision & Documents.
Is GPT-5 Nano better than Olmo 3.1 32B Think?›
On Arena Text · creative writing, GPT-5 Nano scores 1,246 vs 1,248 — about the same.
How can I use GPT-5 Nano?›
Through the API of Azure, OpenAI.
What is the context window of GPT-5 Nano?›
400K tokens, with up to 128K output tokens.
When was GPT-5 Nano released? Is there a newer version?›
Released 2025-08-07. It has been superseded by GPT-5.4 Nano.
Is GPT-5 Nano open source?›
No, GPT-5 Nano is a closed model available through an API. The closest open-weights option here is Kimi K3.
Can GPT-5 Nano read images?›
It accepts text and images, PDF files as input.
What is GPT-5 Nano?›
GPT-5 Nano is a closed language model from OpenAI, released Aug 2025.
What are the best alternatives to GPT-5 Nano?›
Gemma 3 27B (cheaper), GPT-5 Mini (better), Kimi K3 (open weights).