GPT-5 nano
OpenAIProprietaryReasoningVerifiedReleased Aug 7, 2025Input: text, image, file
Overall score
37.3
Rank 152 of 222 · 25.1–49.5
Context window
400K
400,000 tokens
Price per 1M tokens
$0.050 in · $0.40 out
✓ Verified on OpenAI's pricing page
Blended price
$0.14
3:1 input:output tokens
Output speed
—
Not measured yet
Benchmark results (0)
As reported in system cards, papers and public evaluations. Position compares this model with every other model reporting the same benchmark.
No benchmark results with redistributable sources yet.
Pricing by source
USD per 1M tokens.
| Source | Input | Output | Cached in |
|---|---|---|---|
| ✓ Official (OpenAI) checked Oct 17, 2026 · gpt-5-nano | $0.050 | $0.40 | $0.005 |
| BenchLM list price | $0.050 | $0.40 | $0.005 |
| OpenRouter openai/gpt-5-nano | $0.050 | $0.40 | $0.005 |
Standard tier, prompts under 272K tokens.
OpenAI's GPT-5 nano model page lists $0.05 input / $0.40 output per million tokens.
Arena ratings
Human-preference ratings from LMArena. Best-rated variant shown.
Speed
Measured by us through OpenRouter (median of trials).
Not measured yet.
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