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gpt-oss-120b (free)

OPENAI Developer Architecture Profile

OpenRouter ↗HuggingFace ↗
Intelligence (ELO)1065Chatbot Arena Verified
Max Context131,072Tokens
API Cost / 1MFREEBlended 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)Free / 1M
    Output Tokens (Completion)Free / 1M

    Pricing data via OpenRouter. Sync: 4/30/2026

    Evaluate Competitors

    VS Engine Matchupgpt-oss-120b (free) vs OpenAI: gpt-oss-safeguard-20bVS Engine Matchupgpt-oss-120b (free) vs Poolside: Laguna XS.2 (free)VS Engine Matchupgpt-oss-120b (free) vs ByteDance: UI-TARS 7B VS Engine Matchupgpt-oss-120b (free) vs Google: Gemma 3 4B (free)VS Engine Matchupgpt-oss-120b (free) vs Free Models RouterVS Engine Matchupgpt-oss-120b (free) vs inclusionAI: Ling-2.6-1T (free)