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GPT-5 Nano Pricing
OpenAI · openai-gpt-5-nano
Input / 1M tokens
$0.050
Output / 1M tokens
$0.400
Context window
400k tokens
≈ 533 pages of text
Max output
128k tokens
What it costs in practice
Typical request (1,200 in + 400 out tokens)$0.0002
1,000 requests / month$0.22/mo10,000 requests / month$2.20/mo100,000 requests / month$22.00/moEstimate your own workloadOpens the calculator with GPT-5 Nano preloaded — adjust volume and token counts there.
Price history
List price per 1M tokens since we started tracking in Jun 2026. The lines are flat because the price hasn't changed since then.
What it excels at
Handles high-volume text and vision workloads at very low cost with a 400k-token context window.
The business tradeoff
Smaller model size limits complex reasoning depth and consistency compared with larger GPT variants.
Cheaper from OpenAI
Head-to-head
Vendor list rates, as of Jul 13, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.