GPT-OSS-120B-CS
Open-weight GPT model for self-hosted reasoning and instruction-following workloads
Model facts
- Context window
- 128K tokens
- Maximum output
- not published tokens
- Cheapest paid input
- $0.35 per 1M tokens
- Cheapest paid output
- $0.75 per 1M tokens
- Open weights
- no
- Providers
- 1
Capabilities and modalities
reasoning, tool calling, attachments, text.
Observed price history
- 2026-08-24: $0.35 input / $0.75 output per 1M tokens
API providers
- Poe — model id cerebras/gpt-oss-120b-cs; $0.35 input / $0.75 output per 1M tokens; provider documentation