gpt-oss-20b vs Kimi K2.6
Benchmarks, API pricing and specs, head to head. Data updated 2026-06-10.
OpenAI · Aug 2025
The small gpt-oss variant that runs on a 16GB consumer GPU or laptop — local reasoning for everyone, Apache 2.0 licensed.
Moonshot AI · Apr 2026
Moonshot's multimodal flagship that ties GPT-5.5 on several coding evaluations at a fraction of the price, with open weights.
The verdict
These two models don't yet share verified results on the benchmarks we track, so judge them on specs, pricing and intended use. On price the gap is dramatic: gpt-oss-20b works out roughly 20x cheaper per blended million tokens. Kimi K2.6 also takes 262K of context versus 131K for gpt-oss-20b.
Specs & pricing
| gpt-oss-20b | Kimi K2.6 | |
|---|---|---|
| modhub Index | — | — |
| Input price / 1M | $0.05 | $0.95 |
| Output price / 1M | $0.2 | $4 |
| Context window | 131K | 262K |
| Max output | 131K | 262K |
| Open weights | yes (Apache 2.0) | yes (Modified MIT) |
| Reasoning model | yes | yes |
| Multimodal input | text | text, image |
| Knowledge cutoff | Jun 2024 | Feb 2026 |
| Released | Aug 2025 | Apr 2026 |
| Example monthly cost* | $0.8 | $15.50 |
* 10M input + 1.5M output tokens per month at list prices, no caching. Green = better value on that row.
Frequently asked questions
- Which is better, gpt-oss-20b or Kimi K2.6?
- These two models don't yet share verified results on the benchmarks we track, so judge them on specs, pricing and intended use. On price the gap is dramatic: gpt-oss-20b works out roughly 20x cheaper per blended million tokens. Kimi K2.6 also takes 262K of context versus 131K for gpt-oss-20b.
- Which is cheaper, gpt-oss-20b or Kimi K2.6?
- gpt-oss-20b costs $0.05/$0.2 per million input/output tokens, while Kimi K2.6 costs $0.95/$4. For a typical workload of 10M input and 1.5M output tokens per month, that's $0.8 versus $15.50.
- Which model is better for coding, gpt-oss-20b or Kimi K2.6?
- We don't yet track SWE-bench Verified results for both models; check their individual pages for coding-related scores.