# MiniMax-M3.1-Flash vs x-AI/Grok-Code-Fast 1 - AI Model Comparison

- Page: https://opencode.ai/data/compare/minimax/minimax-m3-1-flash/xai/grok-code-fast-1
- Updated: 2026-10-20T03:54:40.000Z

|  | MiniMax-M3.1-Flash | x-AI/Grok-Code-Fast 1 |
| --- | --- | --- |
| Lab | MiniMax | xAI |
| Context window | 1M | 256K |
| Max output | 512K | 10K |
| Input modalities | text, image, video | text |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Open weights | No | No |
| Release date | 2026-10-19 | 2025-09-02 |
| Input price per 1M tokens | $0.15 | $0.20 |
| Output price per 1M tokens | $0.60 | $1.50 |
| Cached input price per 1M tokens | $0.01 | $0.02 |
| OpenCode tokens: past 2 months | 156T | 0 |
| Share of all tokens | 15% | 0% |
| Rank by tokens last week | #3 | - |
| Unique users | 808K | 0 |
| Weekly retention | 75.6% | - |

Model pages: [MiniMax-M3.1-Flash](https://opencode.ai/data/minimax/minimax-m3-1-flash.md), [x-AI/Grok-Code-Fast 1](https://opencode.ai/data/xai/grok-code-fast-1.md)

## Methodology

- Updates: Aggregated every hour. Days and weeks use UTC.
- Tokens: Input, output, reasoning, and cached tokens for each request.
- Users and sessions: Approximate counts of distinct users and OpenCode sessions.
- Cost: Session cost is the average cost per OpenCode session. Token prices are list prices from the OpenCode model catalog.
- Retention: The share of a model's users in one week who use it again the next week.
- Citation: Cite OpenCode Data (opencode.ai/data) with the update time shown at the top of the page.