gpt-oss-120b (batch)
OPENAI Developer Architecture Profile
Intelligence (ELO)1054Chatbot Arena Verified
Max Context Limit131,072Max Out: 117,964 tokens
Prompt CachingStandardNo Cache Discount
Standard API / 1M$0.17🧠 Deep Reasoner
Model Capabilities & Contract SLAs
- Reasoning
- 🧠 Extended Test-Time Reasoning
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 (Standard Prompt)$0.03 / 1M
Output Tokens (Completion)$0.14 / 1M
Pricing data via OpenRouter. Sync: 10/2/2026
Evaluate Competitors
VS Engine Matchupgpt-oss-120b (batch) vs OpenAI: GPT-6 Luna (batch)VS Engine Matchupgpt-oss-120b (batch) vs Meta: Llama Guard 4 12BVS Engine Matchupgpt-oss-120b (batch) vs Google: Gemma 3 12BVS Engine Matchupgpt-oss-120b (batch) vs Meta: Muse Spark 1.2 ContributorVS Engine Matchupgpt-oss-120b (batch) vs NVIDIA: Nemotron 3.5 Content Safety (free)VS Engine Matchupgpt-oss-120b (batch) vs Reka Edge