gpt-oss-120b
OPENAI Developer Architecture Profile
Intelligence (ELO)1049Chatbot Arena Verified
Max Context131,072Tokens
API Cost / 1M$0.23Blended Prompt + Completion
Model Capabilities
gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. It activates 5.1B parameters per forward pass and is optimized...
Granular Pricing Matrix
Input Tokens (Prompt)$0.04 / 1M
Output Tokens (Completion)$0.19 / 1M
Pricing data via OpenRouter. Sync: 4/30/2026
Evaluate Competitors
VS Engine Matchupgpt-oss-120b vs Mistral: Voxtral Small 24B 2507VS Engine Matchupgpt-oss-120b vs NVIDIA: Nemotron Nano 12B 2 VL (free)VS Engine Matchupgpt-oss-120b vs Qwen: Qwen-TurboVS Engine Matchupgpt-oss-120b vs Auto RouterVS Engine Matchupgpt-oss-120b vs Mistral: Mistral Small 3.2 24BVS Engine Matchupgpt-oss-120b vs Google: Gemma 3n 4B (free)