OpenAI: gpt-oss-120b (batch)
The OpenAI gpt-oss-120b model is designed for handling text input, with a maximum context length of 131,072 tokens and a max completion token limit of 117,964. It supports tools and reasoning capabilities, making it suitable for applications that require these features. When considering the cost, this model charges $0.15 per million input tokens and $0.6 per million output tokens. Its blended benchmark score stands at 40.1 across three independent benchmarks, indicating solid performance. This makes it a viable option for users who need to integrate tools or reasoning capabilities into their applications, particularly those with large budgets or high-volume usage, as its pricing structure may be more manageable than competitors.
Benchmark results
Independent, published benchmarks. Blended score 39.2 across 3 benchmarks, last refreshed 2026-10-13. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| Aider Polyglot | code editing across languages | 41.8 |
| AI Index | broad capability composite | 19.1 |
| 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 $0.03/M input and $0.14/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 | $0.02 |
| A month of a busy support chatbot | 5M in / 2M out | $0.42 |
Price & spec history
Tracked daily by PicksByModel since 2026-08-29.
| Date | Input /M | Output /M | Context |
|---|---|---|---|
| 2026-09-24 | $0.03 | $0.14 | 131,072 |
| 2026-08-29 | $0.15 | $0.60 | 131,072 |
Similar models
OpenAI: gpt-oss-20b
OpenAI: gpt-oss-20b (batch)
OpenAI: gpt-oss-safeguard-20b
OpenAI: gpt-oss-120b
OpenAI: GPT-5.5
OpenAI: GPT-5 Image
Quick answers
- How much does OpenAI: gpt-oss-120b (batch) cost?
- $0.03 per million input tokens and $0.14 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.