GPT-5 Nano
GPT-5 NanoAlternatives?
CheaperLing 3.0 Flash VLthinkingOpen+36%-35%$0.06 / $0.18Context: 400K → 262KBetterGPT-6 Lunalow+30%+45%$0.005Function calling only with none · Chat Completions+3
OpenMuse Spark Openxhigh+39%+1,355%$0.84Reasoning off leaves output unchanged · Self-hosted / llama.cpp+1
CheaperQwen 3.5 9BthinkingOpen+19%-33%$0.21Context: 400K → 262K
CheaperDiffusionGemma 26B A4BOpen+14%-45%$0.05 / $0.15Context: 400K → 256KLing 3.0 Flash VLthinkingOpen+36%-35%$0.06 / $0.18Context: 400K → 262KQwen 3.5 9BthinkingOpen+19%-33%$0.21Context: 400K → 262KDiffusionGemma 26B A4BOpen+14%-45%$0.05 / $0.15Context: 400K → 256KQwen3.5 4BthinkingOpen+12%-56%$0.03 / $0.15Context: 400K → 262KGemma 4 E4BthinkingOpen-12%-71%$0.008Context: 400K → 128KGPT-6 Lunalow+30%+45%$0.005Function calling only with none · Chat Completions+3GPT-5.6 Lunalow+27%+227%$0.01Llama 4 Mavericknon-thinkingOpen+7%+121%$0.038
MiMo v2.5thinkingOpen+30%+27%$0.042GPT-5 Minihigh+20%+400%$0.053Muse Spark OpenxhighOpen+39%+1,355%$0.84Reasoning off leaves output unchanged · Self-hosted / llama.cpp+1
DeepSeek V4.1 Flash 1017maxOpen+39%+282%$0.26Pass back reasoning_content · Chat Completions+4
Kimi K3maxOpen+38%+4,264%$2.00Sampling parameters are fixed+3Qwen3.8 FlashthinkingOpen+37%+67%$0.37Context: 400K → 262K+6Kimi K2.6thinkingOpen+36%+1,145%$0.71Context: 400K → 256KGPT-6 Astramedium+46%—$1.54Monitoring can return HTTP 403+2GPT-6.1 Solmedium+44%—$0.21Remove unsupported parameters+5GPT-6.1 Terramedium+42%—$0.095GPT-5.6 Solmedium+40%—$0.50GPT-5.5medium+39%—$0.77Prompts with >272K input tokensGPT-6 Solmedium+38%—$0.25GPT-5.3 Codexxhigh+35%—$1.75 / $14DeprecatedGPT-6 Lunamedium+34%—$0.017Function calling only with none · Chat Completions+3All OpenAI models →History
5 versionsBenchmarks
in Vision & DocumentsFAQ
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?›
#209 of 336 in Chat & Knowledge, #99 of 239 in Coding, #147 of 242 in Agents & Tool Use, #153 of 197 in Writing & Language, #99 of 125 in Vision & Documents.
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-5.6 Luna.
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).