Latest release
Choose gpt-oss-120b
gpt-oss-120b is the newer release (August 2025, against October 2024 for Aya Expanse 32B).
Aya Expanse 32B vs gpt-oss-120b: price, context and capabilities
Choose gpt-oss-120b for the latest release; on the other points the two are level or the data is missing.
In short
- A price comparison is not possible: one of them has no comparable published price.
- gpt-oss-120b reads more per request: 131k tokens against 128k.
- gpt-oss-120b is the newer model (August 2025, against October 2024).
- Only gpt-oss-120b offers reasoning, tool calling.
Which should you choose?
Each answer below comes straight from the published prices, specifications and independent benchmark results.
Specifications side by side
| Aya Expanse 32B | gpt-oss-120b | |
|---|---|---|
| Provider | Cohere | OpenAI |
| Category | Language models | Language models |
| Status | Generally available | Generally available |
| Headline price | No data | No data |
| Input | No data | No data |
| Output | No data | No data |
| Cached input | No data | No data |
| Context window | 128k | 131k |
| Max output | No data | 131k |
| Released | October 2024 | August 2025 |
| Knowledge cutoff | No data | June 2024 |
| Licence | Open weights | Open weights |
| Capabilities | Self-hostable | Reasoning, Tool calling, Self-hostable |
| API model id | c4ai-aya-expanse-32b | gpt-oss-120b |
Benchmarks side by side
Leader in bold.
| Benchmark | Aya Expanse 32B | gpt-oss-120b |
|---|---|---|
| Intelligence Index | No data | 11.6 |
| Terminal-Bench Hard | No data | 23.5% |
| SciCode | No data | 34% |
| GPQA Diamond | No data | 78.2% |
| Humanity's Last Exam | No data | 19.6% |
| IFBench (instruction following) | No data | 69% |
| τ²-Bench (agentic tool use) | No data | 65.8% |
| Long-context reasoning (AA-LCR) | No data | 52% |
Independent evaluations by Artificial Analysis, run the same way for every model, at the reasoning setting shown. Percentages unless marked as an index.
Frequently asked questions
Should I choose Aya Expanse 32B or gpt-oss-120b?
Choose gpt-oss-120b for the latest release; on the other points the two are level or the data is missing.
Which is cheaper, Aya Expanse 32B or gpt-oss-120b?
A price comparison is not possible: one of them has no comparable published price.
Which has the larger context window, Aya Expanse 32B or gpt-oss-120b?
gpt-oss-120b reads more per request: 131k tokens against 128k.
What is the difference between Aya Expanse 32B and gpt-oss-120b?
Aya Expanse 32B is made by Cohere and gpt-oss-120b by OpenAI. A price comparison is not possible: one of them has no comparable published price. gpt-oss-120b reads more per request: 131k tokens against 128k. gpt-oss-120b is the newer model (August 2025, against October 2024). Only gpt-oss-120b offers reasoning, tool calling.
Which is newer, Aya Expanse 32B or gpt-oss-120b?
gpt-oss-120b was released on August 2025 and Aya Expanse 32B on October 2024.