MiniMax · 2026-10-19
MiniMax M3.1 Flash pricing
MiniMax-M3.1-Flash is a multimodal model from MiniMax. Compared with M3, it delivers significant improvements across multiple benchmarks, particularly in complex agentic tasks, coding, and cybersecurity.
Prices from OpenRouter’s models API, updated October 29, 2026
What MiniMax M3.1 Flash costs a month
| Workload | Standard |
|---|---|
| Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out | $13.95 |
| Daily summaries: 10,000 a day, 3,000 tokens in, 300 out | $189 |
| Coding agent: 400 calls a day, 60,000 tokens in (80% cached), 2,000 out | $44.64 |
30 days. Cached input billed at the cache-read price. Use your own numbers.
Cheaper models with a similar context window
| Model | Provider | Input /1M | Output /1M | Cache read /1M | Context | Chatbot, per month* |
|---|---|---|---|---|---|---|
| GLM 5.3 Flash | Z.ai | $0.046 | $0.074 | $0.03 | 1.05M | $2.95 |
| Qwen3.7 Flash | Alibaba Qwen | $0.03 | $0.13 | $0.006 | 1M | $2.91 |
| Ling 3.0 Flash VL | inclusionai | $0.06 | $0.18 | $0.012 | 131K | $4.86 |
| Ternary Bonsai 2 9B | prism-ml | $0.08 | $0.13 | $0.04 | 262K | $5.16 |
| Qwen3.5-Flash | Alibaba Qwen | $0.065 | $0.26 | – | 1M | $6.04 |
* Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out, 30 days, no caching. Prices in US dollars per 1M tokens.
Cheaper isn’t automatically as good. Glow’s GlowBench scores models on your kind of task before suggesting a swap.
Other MiniMax models
| Model | Input /1M | Output /1M | Cache read /1M | Context | Chatbot, per month* |
|---|---|---|---|---|---|
| MiniMax M3 | $0.30 | $1.20 | $0.06 | 1.05M | $27.90 |
| MiniMax M2.7 | $0.30 | $1.20 | $0.06 | 205K | $27.90 |
| MiniMax M2.5 | $0.30 | $1.20 | $0.03 | 205K | $27.90 |
| MiniMax M2-her | $0.30 | $1.20 | $0.03 | 66K | $27.90 |
| MiniMax M2.1 | $0.30 | $1.20 | $0.03 | 205K | $27.90 |
| MiniMax M2 | $0.255 | $1.02 | – | 205K | $23.71 |
* Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out, 30 days, no caching. Prices in US dollars per 1M tokens.
Related
MiniMax M3.1 Flash: questions
How much does MiniMax M3.1 Flash cost?
$0.15 per 1M input tokens and $0.60 per 1M output tokens, with cached input at $0.015. A 1,000-token prompt with a 500-token answer costs about $0.0004.
What is MiniMax M3.1 Flash’s context window?
1,048,576 tokens, with up to 524,288 output tokens per response.
Is there a cheaper alternative to MiniMax M3.1 Flash?
GLM 5.3 Flash costs $0.046 in and $0.074 out per 1M tokens with a similar context window. Whether it matches MiniMax M3.1 Flash’s quality depends on the task: test it on your own prompts (Glow’s GlowBench does this per task).
Know what each model really costs you.
Connect OpenRouter and Glow shows spend by model, key and product, and flags the swap that saves the most at the same quality.
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