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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

—

What it costs in practice

Typical request (1,200 in + 400 out tokens)$0.0002

1,000 requests / month$0.22/mo 10,000 requests / month$2.20/mo 100,000 requests / month$22.00/mo

Estimate your own workloadOpens the calculator with GPT-5 Nano preloaded — adjust volume and token counts there.

Price history

Only one price point recorded so far.

The staircase chart appears once a price change is detected.

Pricing and specs for this model are auto-synced from OpenRouter, but it isn't one of our editorial picks yet — no “what it excels at” write-up or business tradeoff notes. Any tier badge above is estimated from price.

Cheaper from OpenAI

gpt-oss-safeguard-20bOpenAI$0.0002/ typical request

Same tier from other providers

Claude Haiku 4.5Anthropic$0.0032/ typical request Gemini 3.5 FlashGoogle$0.0054/ typical request Llama 3.3 70BMeta$0.0002/ typical request

Head-to-head

GPT-5 Nano vs Claude Haiku 4.5 →GPT-5 Nano vs Gemini 3.5 Flash →GPT-5 Nano vs Llama 3.3 70B →

Vendor list rates, as of Jun 15, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.