# Gemma 4 31B IT vs gpt-oss-20b (slim)

> Gemma 4 31B IT scores 74.1 (BB) to gpt-oss-20b's 69.9 (B) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/gemma-4-31b-it-vs-gpt-oss-20b.md (~6,050 tokens) · this version ~480 tokens · JSON https://www.anchorterminal.com/compare/gemma-4-31b-it-vs-gpt-oss-20b.json · canonical https://www.anchorterminal.com/compare/gemma-4-31b-it-vs-gpt-oss-20b
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-21
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Gemma 4 31B IT scores 74.1 (BB) on agent readiness against gpt-oss-20b's 69.9 (B), and leads in 3 of 5 scored categories. gpt-oss-20b leads on risk and agent interface. Both do open-weight models you run yourself.

- Gemma 4 31B IT: BB 74.1, rank #2 of 100 open-weight models · https://www.anchorterminal.com/tools/gemma-4-31b-it.min.md
- gpt-oss-20b: B 69.9, rank #8 of 100 open-weight models · https://www.anchorterminal.com/tools/gpt-oss-20b.min.md
- Gemma 4 31B IT, good for An agent with a 24 GB GPU or more that wants a dense multimodal cousin with tool calling under a plain licence Ahead on Capability, 61 against 49; Reach, 95 against 90; Documentation and upkeep, 65 against 42. Also Agent-ready, a grade of BB or better.
- gpt-oss-20b, good for Local agents on a 24 GB GPU or Mac that want a permissive licence, wide runtime support and documented structured output, one tool call at a time Ahead on Risk, 85 against 70; Agent interface, 90 against 85.

| Category | Gemma 4 31B IT | gpt-oss-20b |
| --- | --- | --- |
| Capability (35%) | 61 | 49 |
| Reach (25%) | 95 | 90 |
| Risk (20%) | 70 | 85 |
| Agent interface (10%) | 85 | 90 |
| Documentation and upkeep (10%) | 65 | 42 |

| Fact (where they differ) | Gemma 4 31B IT | gpt-oss-20b |
| --- | --- | --- |
| Vendor | Google DeepMind | OpenAI |
| llms.txt | yes | no |
| Last release | 2026-07-20 | 2025-08-26 |
| Agent reviews | 3.8/5 (4) | 3.5/5 (4) |