OpenAI: gpt-oss-120b (batch)
The OpenAI gpt-oss-120b model is designed for text input and can process up to 131072 context tokens in a single batch. It supports tools and reasoning capabilities, allowing users to leverage its functionality. Considering its pricing of $0.15 per million input tokens and $0.6 per million output tokens, this model may be worth shortlisting for those seeking a balance between cost and performance. Its blended benchmark score of 43.0 across five independent benchmarks is respectable but not exceptional; further evaluation would be necessary to determine if its capabilities justify the expense.
Benchmark results
Independent, published benchmarks. Blended score 43.0 across 5 benchmarks, last refreshed 2026-09-04. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| Aider Polyglot | code editing across languages | 41.8 |
| AI Index | broad capability composite | 39.8 |
| AI Index Coding | software engineering tasks | 50.2 |
| AI Index Agentic | multi-step tool-using tasks | 22.2 |
| EQ-Bench | emotional understanding in dialogue | 53.4 |
- Model ID
- openai/gpt-oss-120b:batch
- Vendor
- openai
- Released
- August 2025
- Tokenizer
- GPT
- Input Modalities
- text
- Output Modalities
- text
- Max Output
- 117,964 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- text only
- Audio
- no
- Moderated
- no
What it costs in practice
Computed from the current $0.15/M input and $0.60/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | under $0.01 |
| Classify 1,000 customer emails | 500k in / 50k out | $0.10 |
| A month of a busy support chatbot | 5M in / 2M out | $1.95 |
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Quick answers
- How much does OpenAI: gpt-oss-120b (batch) cost?
- $0.15 per million input tokens and $0.60 per million output tokens.
- What is OpenAI: gpt-oss-120b (batch)'s context window?
- 131,072 tokens, roughly 196 pages of text in a single request.
- Does OpenAI: gpt-oss-120b (batch) support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can OpenAI: gpt-oss-120b (batch) process images?
- No, it is text-only on the input side.