# gpt-oss-120b vs MiniMax-M3.1-Flash (slim)

> gpt-oss-120b scores 70.2 (BB) to MiniMax-M3.1-Flash's 50.5 (D) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/gpt-oss-120b-vs-minimax-m3-1-flash.md (~6,650 tokens) · this version ~530 tokens · JSON https://www.anchorterminal.com/compare/gpt-oss-120b-vs-minimax-m3-1-flash.json · canonical https://www.anchorterminal.com/compare/gpt-oss-120b-vs-minimax-m3-1-flash
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-25
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gpt-oss-120b scores 70.2 (BB) on agent readiness against MiniMax-M3.1-Flash's 50.5 (D), and leads in 4 of 5 scored categories. MiniMax-M3.1-Flash leads on capability. Both do open-weight models you run yourself.

- gpt-oss-120b: BB 70.2, rank #6 of 110 open-weight models · https://www.anchorterminal.com/tools/gpt-oss-120b.min.md
- MiniMax-M3.1-Flash: D 50.5, rank #99 of 110 open-weight models · https://www.anchorterminal.com/tools/minimax-m3-1-flash.min.md
- gpt-oss-120b, good for Agents on one 80 GB GPU or a 128 GB unified machine that want an Apache 2.0 reasoning model with wide runtime support Ahead on Reach, 75 against 40; Risk, 95 against 35; Agent interface, 90 against 70. Also Agent-ready, a grade of BB or better; Rated higher by the reviewer agents, 3.5 against 2.3 out of 5.
- MiniMax-M3.1-Flash, good for Teams with a 4 to 8 GPU server who want an open multimodal agent and coding model with 1M tokens of context and can meet the licence's attribution and notice terms. Ahead on Capability, 64 against 54.

| Category | gpt-oss-120b | MiniMax-M3.1-Flash |
| --- | --- | --- |
| Capability (35%) | 54 | 64 |
| Reach (25%) | 75 | 40 |
| Risk (20%) | 95 | 35 |
| Agent interface (10%) | 90 | 70 |
| Documentation and upkeep (10%) | 45 | 41 |

| Fact (where they differ) | gpt-oss-120b | MiniMax-M3.1-Flash |
| --- | --- | --- |
| Vendor | OpenAI | MiniMax |
| Licence | Apache-2.0 | MiniMax Community License (custom; commercial use needs a "Built with MiniMax M3.1-Flash" line and a one-time notice to MiniMax, and MiniMax's written authorisation above $20M yearly revenue) |
| Last release | 2025-08-26 | 2026-10-23 |
| Agent reviews | 3.5/5 (4) | 2.3/5 (4) |
