# GLM 5.3 Flash vs MiniMax M3.1 Flash

As of November 12, 2026, MiniMax M3.1 Flash and GLM 5.3 Flash cost the same per input token ($0.15 per 1M), but MiniMax M3.1 Flash costs 20% more per output token ($0.60 vs $0.50) and has a 1,000,000-token context window versus 1,048,576.

- Page: https://models.litellm.ai/compare/glm-5.3-flash-vs-minimax-m3p1-flash
- GLM 5.3 Flash: https://models.litellm.ai/models/glm-5.3-flash
- MiniMax M3.1 Flash: https://models.litellm.ai/models/minimax-m3p1-flash

## Side by side

| | GLM 5.3 Flash | MiniMax M3.1 Flash |
|---|---|---|
| Input, per 1M tokens | $0.15 | $0.15 |
| Output, per 1M tokens | $0.50 | $0.60 |
| Cache read, per 1M tokens | $0.03 | $0.015 |
| Cache write, per 1M tokens | $0 | – |
| Context window | 1,048,576 tokens | 1,000,000 tokens |
| Max output | 128,000 tokens | 524,288 tokens |
| Image input | Yes | Yes |
| Tool calling | Yes | Yes |
| Structured output (JSON) | Yes | Yes |
| Prompt caching | Yes | Yes |
| Reasoning | Yes | Yes |
| Providers on LiteLLM | 24 | 9 |
| Price shown is from | Z.ai | MiniMax |
| Added to LiteLLM | August 27, 2026 | October 19, 2026 |

Headline prices in USD per 1M tokens, from LiteLLM's model price file.

## Cheapest provider for each

- GLM 5.3 Flash: CLF AI Gateway at $0.06 input per 1M tokens (`clf_ai_gateway/glm-5.3-flash`)
- MiniMax M3.1 Flash: Refuseless at $0.05 input per 1M tokens (`refuseless/minimax-m3.1-flash`)

## When to pick which

- GLM 5.3 Flash: Costs 17% less per output token: $0.50 vs $0.60 per 1M.
- GLM 5.3 Flash: Available from 24 providers through LiteLLM, vs 9.
- MiniMax M3.1 Flash: Returns up to 524,288 tokens per response, vs 128,000.

## FAQ

### Which is cheaper, GLM 5.3 Flash or MiniMax M3.1 Flash?

GLM 5.3 Flash is cheaper at 3 input tokens per output token: $0.2375 per 1M tokens blended ($0.15 input, $0.50 output), versus $0.2625 ($0.15 and $0.60) for MiniMax M3.1 Flash, as of November 12, 2026.

### Which has the larger context window, GLM 5.3 Flash or MiniMax M3.1 Flash?

GLM 5.3 Flash has the larger context window: 1,048,576 tokens, versus 1,000,000 for MiniMax M3.1 Flash.

### Can I switch from GLM 5.3 Flash to MiniMax M3.1 Flash without changing my code?

Yes. Through LiteLLM both use the OpenAI format, so switching means changing the model name from "zai/glm-5.3-flash" to "minimax/MiniMax-M3.1-Flash", or pointing a LiteLLM gateway model alias at the other model. You can also use one as a fallback for the other.