GPT-5 nano: Intelligence, Performance & Price Analysis
Analysis of OpenAI's GPT-5 nano and comparison to other AI models across key metrics including quality, price, performance (tokens per second & time to first token), context window & more. Click on any model to compare API providers for that model. For more details including relating to our methodology, see our FAQs.
Comparison Summary
Intelligence:
GPT-5 nano is of higher quality compared to average, with a MMLU score of 0.772 and a Intelligence Index across evaluations of 54.
Price:GPT-5 nano is cheaper compared to average with a price of $0.14 per 1M Tokens (blended 3:1).
GPT-5 nano Input token price: $0.05, Output token price: $0.40 per 1M Tokens.
Speed:GPT-5 nano Input token price: $0.05, Output token price: $0.40 per 1M Tokens.
GPT-5 nano is faster compared to average, with a output speed of 299.1 tokens per second.
Latency:GPT-5 nano has a higher latency compared to average, taking 22.49s to receive the first token (TTFT).
Context Window:GPT-5 nano has a larger context windows than average, with a context window of 400k tokens.
Highlights
Intelligence
Artificial Analysis Intelligence Index; Higher is better
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Speed
Output Tokens per Second; Higher is better
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Price
USD per 1M Tokens; Lower is better
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GPT-5 nano Model Details
Comparisons to GPT-5 nano
GPT-5 nano
o3
o4-mini (high)
gpt-oss-20B (high)
GPT-4.1
GPT-5 (medium)
GPT-5 (minimal)
gpt-oss-120B (high)
GPT-5 (high)
Llama 4 Maverick
Gemini 2.5 Pro
Gemini 2.5 Flash (Reasoning)
Claude 4 Sonnet Thinking
Magistral Small
DeepSeek R1 0528
Grok 4
Solar Pro 2 (Reasoning)
MiniMax M1 80k
Llama Nemotron Super 49B v1.5 (Reasoning)
Kimi K2
EXAONE 4.0 32B (Reasoning)
GLM-4.5
Qwen3 235B 2507 (Reasoning)
Further details