OpenAI: gpt-oss-120b
Analysis Summary
OpenAI: gpt-oss-120b comes from OpenAI. It was released in August 2025. We place it in the Professional tier, where it sits at #10 of 565 models overall. For raw reasoning ability it ranks #91 of 374, putting it in the top quartile for overall intelligence.
On coding it ranks #95 of 311, a reasonable fit for everyday development support. For agentic automation it sits at #107 of 286, handling the multi-step, tool-using tasks that power AI agents. Its 131K-token context window is larger than 60% of the models we list, suiting long documents, large codebases, and retrieval-heavy workloads. Crucially for business adoption, OpenAI: gpt-oss-120b combines tool use, function calling, and step-by-step reasoning in a single model, letting teams consolidate several use cases instead of stitching together multiple services.
At $0.039 input and $0.180 output per 1M tokens, OpenAI: gpt-oss-120b is aggressively priced for high-volume use which makes it easy to justify for cost-sensitive, high-throughput deployments. OpenAI: gpt-oss-120b is a dependable pick for businesses that need strong, well-rounded performance without paying frontier prices.
Editorial notes
OpenAI gpt-oss-120b pairs strong math and coding benchmarks with tool use and very low pricing; agentic performance is solid and livecodebench scores are competitive, making it a strong value pick for coding-heavy workflows.
Assessed May 31, 2026
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
Performance Profile
How OpenAI: gpt-oss-120b compares
OpenAI: gpt-oss-120b ranks #91 of 374 AI models we track for overall intelligence, #95 of 311 for coding, #107 of 286 for agentic tasks. Its 131K-token context window is larger than 60% of the models we list. At $0.04 per million input tokens it is cheaper than 75% of comparable models.
About OpenAI: gpt-oss-120b
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..
Capabilities
Performance Indices
Source: Artificial Analysis
Benchmark Scores
Intelligence
Technical
Content
Benchmark data from Artificial Analysis and Hugging Face
How does OpenAI: gpt-oss-120b stack up?
Compare side-by-side with other professional models.
Model Information
| OpenRouter ID |
openai/gpt-oss-120b
|
| Provider | openai |
| Release Date | August 5, 2025 |
| Context Length | 131,072 tokens |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $0.04 | $0.000039 |
| Output | $0.18 | $0.000180 |
Live Performance
Live endpoint metrics, refreshed every 30 minutes.
Leaderboard Categories
External Resources
Frequently asked questions about OpenAI: gpt-oss-120b
How much does OpenAI: gpt-oss-120b cost?
OpenAI: gpt-oss-120b costs $0.04 per million input tokens and $0.18 per million output tokens.
What is the context window of OpenAI: gpt-oss-120b?
OpenAI: gpt-oss-120b has a context window of 131,072 tokens (131K).
Is OpenAI: gpt-oss-120b good for coding?
On our coding benchmark index, OpenAI: gpt-oss-120b ranks #95 of 311 models, placing it in the broader range of the field for code generation and debugging.
What can OpenAI: gpt-oss-120b do?
OpenAI: gpt-oss-120b supports tool use and function calling.
Who created OpenAI: gpt-oss-120b?
OpenAI: gpt-oss-120b is developed by OpenAI and was released on August 5, 2025.
