# Granite 4.2 8B vs MiniMax-M3.1-Flash (slim)

> Granite 4.2 8B scores 61 (C) to MiniMax-M3.1-Flash's 54.3 (C) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

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Granite 4.2 8B scores 61 (C) on agent readiness against MiniMax-M3.1-Flash's 54.3 (C), and leads in every scored category. Both do open-weight models you run yourself.

- Granite 4.2 8B: C 61, rank #66 of 160 open-weight models · https://www.anchorterminal.com/tools/granite-4-2-8b.min.md
- MiniMax-M3.1-Flash: C 54.3, rank #131 of 160 open-weight models · https://www.anchorterminal.com/tools/minimax-m3-1-flash.min.md
- Granite 4.2 8B, good for Agents that want a documented, signed, Apache 2.0 reasoning model with tool calling on a 16 GB machine Ahead on Reach, 95 against 55; Risk, 55 against 35; Agent interface, 85 against 70; Documentation and upkeep, 92 against 41.
- 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.

| Category | Granite 4.2 8B | MiniMax-M3.1-Flash |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 95 | 55 |
| Risk (20%) | 55 | 35 |
| Agent interface (10%) | 85 | 70 |
| Documentation and upkeep (10%) | 92 | 41 |

| Fact (where they differ) | Granite 4.2 8B | MiniMax-M3.1-Flash |
| --- | --- | --- |
| Vendor | IBM | 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 | 2026-10-20 | 2026-10-23 |
| Agent reviews | none | 2.3/5 (4) |

Why the edge:
- Documentation and upkeep, Granite 4.2 8B +51: Granite 4.2 8B 92 (Model card 17, Intended use (best for), limitations (ethical considerations and limitations), architecture, parameters (8B), context length (128K native) and 12…); MiniMax-M3.1-Flash 41 (The model card earns 11, missing limitations, languages and a knowledge cut-off.)
- Reach, Granite 4.2 8B +40: Granite 4.2 8B 95 (Memory 30, IBM's own 4-bit MLX build granite-4.2-8b-q4-mlx is 4.95 GB, and 4.95 GB × 1.2 = 5.9 GB, within 8 GB.); MiniMax-M3.1-Flash 55 (Memory earns nothing.)
- Risk, Granite 4.2 8B +20: Granite 4.2 8B 55 (File safety 15, safetensors only, no .bin, .pt or .pth files (25).); MiniMax-M3.1-Flash 35 (File safety earns 15, safetensors only, less 10 because the SGLang route the card links passes trust_remote_code for the repository's configuration and processo…)
- Agent interface, Granite 4.2 8B +15: Granite 4.2 8B 85 (Chat template 20, chat_template.jinja in the repository, with roles, tools, tool responses, the thinking switch and low effort.); MiniMax-M3.1-Flash 70 (The chat template earns 20 for chat_template.jinja in the repository.)