OpenAI: gpt-oss-20b
OpenAIOpen weights
OpenAI: gpt-oss-20b by OpenAI costs $0.03 per 1M input tokens and $0.14 per 1M output tokens, with a 131K-token context window.
Pricing
Input (per 1M tokens)
$0.03
Output (per 1M tokens)
$0.14
Cached input (per 1M)
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Specifications
- Provider
- OpenAI
- Context window
- 131K tokens
- Parameters
- 21B
- Released
- Aug 2025
- Open weights
- Yes
- Frontier model
- No
Compare OpenAI: gpt-oss-20b with…
OpenAI: gpt-oss-20b vs OpenAI: GPT-5.2-Codex$14.00/1MOpenAI: gpt-oss-20b vs OpenAI: GPT-5.4 Image 2$15.00/1MOpenAI: gpt-oss-20b vs OpenAI: GPT-5.1 Chat$10.00/1MOpenAI: gpt-oss-20b vs OpenAI: GPT Chat Latest$30.00/1MOpenAI: gpt-oss-20b vs OpenAI: GPT-5.3 Chat$14.00/1MOpenAI: gpt-oss-20b vs OpenAI: GPT-5.4 Nano$1.25/1M
FAQ
Pricing is per 1M tokens (USD); confirm with the provider before production use.