GPT-5 Nano
GPT-5 NanoAlternatives?
CheaperLing 3.0 Flash VLthinkingOpen+29%-35%$0.06 / $0.18Context: 400K → 262KBetterGPT-6 Lunalow+25%+45%$0.005Function calling only with none · Chat Completions+3
OpenMuse Spark Openxhigh+33%+1,355%$0.84Reasoning off leaves output unchanged · Self-hosted / llama.cpp+1
CheaperQwen 3.5 9BthinkingOpen+14%-33%$0.21Context: 400K → 262K
CheaperDiffusionGemma 26B A4BOpen+9%-45%$0.05 / $0.15Context: 400K → 256KLing 3.0 Flash VLthinkingOpen+29%-35%$0.06 / $0.18Context: 400K → 262KQwen 3.5 9BthinkingOpen+14%-33%$0.21Context: 400K → 262KDiffusionGemma 26B A4BOpen+9%-45%$0.05 / $0.15Context: 400K → 256KQwen3.5 4BthinkingOpen+7%-56%$0.03 / $0.15Context: 400K → 262KGemma 4 E4BthinkingOpen-16%-71%$0.008Context: 400K → 128KGPT-6 Lunalow+25%+45%$0.005Function calling only with none · Chat Completions+3GPT-5.6 Lunalow+21%+227%$0.01
MiMo v2.5thinkingOpen+24%+27%$0.019GPT-5 Minihigh+15%+400%$0.053Muse Glimmer 30BhighOpen+22%+264%$0.058Context: 400K → 131KMuse Spark OpenxhighOpen+33%+1,355%$0.84Reasoning off leaves output unchanged · Self-hosted / llama.cpp+1
DeepSeek V4.1 Flash 1017maxOpen+32%+282%$0.26Pass back reasoning_content · Chat Completions+4
Kimi K3maxOpen+32%+4,264%$2.00Sampling parameters are fixed+3Qwen3.8 FlashthinkingOpen+31%+67%$0.37Context: 400K → 262K+6Kimi K2.6thinkingOpen+30%+1,145%$0.80Context: 400K → 256KGPT-6 Astrahigh+42%—$1.73Monitoring can return HTTP 403+2GPT-6.1 Solhigh+39%—$0.32Remove unsupported parameters+5GPT-6 Solhigh+34%—$0.37GPT-5.6 Solhigh+34%—$0.81GPT-5.5high+33%—$1.54Prompts with >272K input tokensGPT-5.6 Terrahigh+30%—$0.34Prompts with >272K input tokensGPT-5.3 Codexxhigh+29%—$1.75 / $14DeprecatedGPT-5.6 Lunahigh+27%—$0.044All OpenAI models →History
5 versionsFAQ
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 GPT-4.1?›
On MMMU-Pro (vision), GPT-5 Nano scores 61 vs 61.2 — 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 Muse Spark Open.
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?›
Ling 3.0 Flash VL (cheaper), GPT-6 Luna (better), Muse Spark Open (open weights).