gpt-oss-20b
OpenAIOpen weights
gpt-oss-20b by OpenAI costs — per 1M input tokens and — per 1M output tokens, with a —-token context window.
Pricing
Input (per 1M tokens)
—
Output (per 1M tokens)
—
Cached input (per 1M)
—
Specifications
- Provider
- OpenAI
- Context window
- —
- Parameters
- 21B
- Released
- Aug 2025
- Open weights
- Yes
- Frontier model
- No
Benchmarks
- LMArena (Chatbot Arena) Elohuman-preference
- 1287.7
Compare gpt-oss-20b with…
FAQ
Pricing is per 1M tokens (USD); confirm with the provider before production use.