Gemini 3.1 Pro vs MiniMax M3: API Pricing
Input and output token rates, context windows, and real monthly cost for Gemini 3.1 Pro (Google) and MiniMax M3 (MiniMax), side by side. Prices are standard on-demand rates as of June 2026.
The short answer
For a typical coding-agent workload (60M in / 12M out per month), MiniMax M3 is the cheaper option at $32.40/mo versus $264/mo for Gemini 3.1 Pro - about 88% less (8.1× cheaper). On the headline sticker of 1M input + 1M output, Gemini 3.1 Pro is $14.00 and MiniMax M3 is $1.50.
Rates at a glance
| Gemini 3.1 Pro | MiniMax M3 | |
|---|---|---|
| Input ($/1M tokens) | $2.00 | $0.30 |
| Output ($/1M tokens) | $12.00 | $1.20 |
| Blended (1M in + 1M out) | $14.00 | $1.50 |
| Context window | 1,000K | 1,000K |
| Type | Proprietary | Open-weight |
| Provider | MiniMax |
Monthly cost by workload
Estimated monthly API spend at each workload's token volume. Output usually costs several times input, so the winner can flip with your mix.
| Workload | Gemini 3.1 Pro | MiniMax M3 | Cheaper |
|---|---|---|---|
| Chatbot / assistant10M in / 3M out | $56.00/mo | $6.60/mo | MiniMax M3 |
| Coding agent60M in / 12M out | $264/mo | $32.40/mo | MiniMax M3 |
| RAG / summarization40M in / 4M out | $128/mo | $16.80/mo | MiniMax M3 |
| Batch / classification20M in / 2M out | $64.00/mo | $8.40/mo | MiniMax M3 |
Want your own in/out split? Use the full interactive comparator to rank every model and provider for your exact workload.
Frequently asked questions
Is Gemini 3.1 Pro or MiniMax M3 cheaper?
It depends on your input/output mix, but for a typical coding-agent workload (60M in / 12M out per month) MiniMax M3 costs $32.40/mo versus $264/mo for Gemini 3.1 Pro - about 88% less (8.1x). On the headline sticker (1M input + 1M output), Gemini 3.1 Pro is $14.00 and MiniMax M3 is $1.50.
What are the token rates for Gemini 3.1 Pro and MiniMax M3?
Gemini 3.1 Pro (Google) is $2.00 per 1M input and $12.00 per 1M output. MiniMax M3 (MiniMax) is $0.30 per 1M input and $1.20 per 1M output. These are standard on-demand rates, not cached or batch.
Is Gemini 3.1 Pro or MiniMax M3 open-weight?
Gemini 3.1 Pro is proprietary and MiniMax M3 is open-weight. Open-weight models can be self-hosted or run on third-party hosts at different rates, so the first-party price shown here is a starting point, not the only option.
What context window do Gemini 3.1 Pro and MiniMax M3 support?
Gemini 3.1 Pro supports 1,000K tokens and MiniMax M3 supports 1,000K tokens. Some models also step up pricing past a size threshold - check the source pricing pages for long-context tiers.
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