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OpenAI: gpt-oss-20b API pricing
Last updated
- Input / 1M tokens
- $0.018
- Output / 1M tokens
- $0.09
- Blended / 1M
- $0.036
- 3:1 input:output
- Context window
- 131.1K
- tokens
- Arena Elo
- 1200
Context window
How much text fits in a single request.
131,072 tokens, roughly 98.3K words or 197 pages of English text.
Estimate assumes ~0.75 words per token and 500 words per page. Input and output share this limit.
Price history
USD per 1M tokens at each recorded price change.
| Date | Input / 1M | Output / 1M | Blended / 1M | Change |
|---|---|---|---|---|
| $0.018 | $0.09 | $0.036 | Launch |
Changelog
Notable updates to OpenAI: gpt-oss-20b.
OpenAI: gpt-oss-20b is now tracked with input at $0.018 and output at $0.09 per 1M tokens, a 131072-token context window, and an Elo score of 1200.
Summaries are AI-generated from tracked data changes.
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