GPT-5 Nano
GPT-5 NanoAlternatives?
CheaperQwen 3.5 Flashunstatedwins 59%-17%$0.065 / $0.26BetterGPT-5 Minihighwins 59%+400%$0.053
OpenMiMo v2.6 Flashunstatedwins 71%+27%$0.14 / $0.28Pass back reasoning_content+3CheaperGPT OSS 120BunstatedOpenwins 56%-56%$0.03 / $0.15Context: 400K → 131K+1
CheaperGemma 3 27BunstatedOpenwins 55%-27%$0.08 / $0.16Context: 400K → 131KQwen 3.5 Flashunstatedwins 59%-17%$0.065 / $0.26GPT OSS 120BunstatedOpenwins 56%-56%$0.03 / $0.15Context: 400K → 131K+1Gemma 3 27BunstatedOpenwins 55%-27%$0.08 / $0.16Context: 400K → 131K
Nemotron 3 Nano 30B A3BunstatedOpensame-24%$0.06 / $0.24Context: 400K → 131K+1GPT-5 Minihighwins 59%+400%$0.053GPT-6 Lunamaxwins 60%+45%$0.068Function calling only with none · Chat Completions+3GPT-5.6 Lunaxhighwins 63%+227%$0.085GPT-5.6 Terraxhighwins 68%+3,173%$0.63Prompts with >272K input tokensGPT-6 Solmaxwins 58%+2,809%$1.04MiMo v2.6 FlashunstatedOpenwins 71%+27%$0.14 / $0.28Pass back reasoning_content+3
GLM 5.3maxOpenwins 71%+1,464%$2.01No image input+4MiMo v2.5 ProunstatedOpenwins 70%+295%$0.43 / $0.87No image input
DeepSeek V4 Pro 0813unstatedOpenwins 70%+1,340%$1.32 / $3.96No image input+5
Kimi K3maxOpenwins 70%+4,264%$2.00Sampling parameters are fixed+3GPT-5.4highwins 71%—$2.50 / $15GPT-5.5highwins 70%—$1.54Prompts with >272K input tokensGPT-5.6 Solxhighwins 70%—$1.18GPT-5.6 Terraxhighwins 68%—$0.63Prompts with >272K input tokensGPT-5.1highwins 67%—$1.25 / $10o3 (2025-04-16)unstatedwins 67%—$2 / $8Context: 400K → 200KGPT-5.2highwins 65%—$1.75 / $14GPT-6 Astramaxwins 65%—$3.26Monitoring can return HTTP 403+2All OpenAI models →History
5 versionsBenchmarks
in Chat & KnowledgeFAQ
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?›
#199 of 334 in Chat & Knowledge, #117 of 239 in Coding, #132 of 242 in Agents & Tool Use, #161 of 195 in Writing & Language, #95 of 124 in Vision & Documents. Strongest at: Instructions.
Is GPT-5 Nano better than Llama Nemotron Super 49B v1.5?›
On Arena Text · Polish, GPT-5 Nano scores 1,313.7 vs 1,322 — 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 It has been superseded by GPT-5.4 Nano.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 MiMo v2.6 Flash.
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?›
Qwen 3.5 Flash (cheaper), GPT-5 Mini (better), MiMo v2.6 Flash (open weights).