OpenAI: gpt-oss-20b (batch)
The OpenAI gpt-oss-20b (batch) is a large language model that accepts text input and can generate responses based on its understanding of the context. It supports reasoning capabilities but does not offer structured output or tools for specific tasks. This model may be worth shortlisting for organizations with high text processing demands, given its moderate price point of $0.05 per million input tokens and $0.2 per million output tokens. Its blended benchmark score of 24.8 across two independent benchmarks suggests that it performs competitively in various evaluation metrics, but further testing would provide a clearer understanding of its specific strengths and weaknesses.
Benchmark results
Independent, published benchmarks. Blended score 24.3 across 2 benchmarks, last refreshed 2026-10-13. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 14.8 |
| EQ-Bench | emotional understanding in dialogue | 40.7 |
- Model ID
- openai/gpt-oss-20b: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 $0.02/M input and $0.11/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 | $0.34 |
Price & spec history
Tracked daily by PicksByModel since 2026-08-29.
| Date | Input /M | Output /M | Context |
|---|---|---|---|
| 2026-09-23 | $0.02 | $0.11 | 131,072 |
| 2026-08-29 | $0.05 | $0.20 | 131,072 |
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Quick answers
- How much does OpenAI: gpt-oss-20b (batch) cost?
- $0.02 per million input tokens and $0.11 per million output tokens.
- What is OpenAI: gpt-oss-20b (batch)'s context window?
- 131,072 tokens, roughly 196 pages of text in a single request.
- Does OpenAI: gpt-oss-20b (batch) support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can OpenAI: gpt-oss-20b (batch) process images?
- No, it is text-only on the input side.