Gemini 3.1 Pro Preview vs MiMo-V2.5-Pro
API pricing, context window and capabilities for Gemini 3.1 Pro Preview and MiMo-V2.5-Pro, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.
Verdict
computed from the published numbersGemini 3.1 Pro Preview wins on Terminal-Bench and on intelligence. MiMo-V2.5-Pro wins on price.
Price
MiMo-V2.5-Pro
Terminal-Bench
Gemini 3.1 Pro Preview
Intelligence
Gemini 3.1 Pro Preview
Context window
Tied
Key takeaways
who wins on what, from the published numbersGemini 3.1 Pro Preview wins
- More serving providers (6 vs 4)
- Supports vision
- Supports audio
- Has web search
MiMo-V2.5-Pro wins
- Cheaper input ($2.00 vs $0.435 /1M)
- Cheaper output ($12.00 vs $0.87 /1M)
- Higher max output (66K vs 131K)
Cheaper overall
MiMo-V2.5-Pro
$0.435 + $0.87 /1M
Larger context
Tied
More providers
Gemini 3.1 Pro Preview
6 providers
Pricing & specs
cheapest listed route · per 1M tokensOn-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower. An OpenRouter routed quote is the price of whichever upstream provider OpenRouter prefers today, so it moves day to day.
| Gemini 3.1 Pro Preview | MiMo-V2.5-Pro | |
|---|---|---|
| Input $/1M | $2.00via Google | $0.435OpenRouter routed quote best |
| Output $/1M | $12.00via Google | $0.87OpenRouter routed quote best |
| Context window | 1M | 1M |
| Max output | 66K | 131K best |
| Serving providers | 6 best | 4 |
| Date | Released Feb 19, 2026 | Released Apr 22, 2026 |
Benchmarks
Benchmark scores, side by side| Gemini 3.1 Pro Preview | MiMo-V2.5-Pro | |
|---|---|---|
| Intelligence | 29.7 best | 26.0 |
| Terminal-Bench | 74% best | 65% |
| GPQA Diamond | 94% best | 87% |
| Output speed | 140 t/s best | 39 t/s |
| Latency (TTFT) | 26.52s | 2.31s best |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Gemini 3.1 Pro Preview
via Google
$22
MiMo-V2.5-Pro
via OpenRouter
$3.04
Capabilities
feature support, side by side| Feature | Gemini 3.1 Pro Preview | MiMo-V2.5-Pro |
|---|---|---|
| Vision | ✓ | — |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
| Audio | ✓ | — |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | ✓ | — |
Related comparisons
Frequently asked questions
Which is cheaper, Gemini 3.1 Pro Preview or MiMo-V2.5-Pro?
MiMo-V2.5-Pro is cheaper for input ($2.00 vs $0.435 per 1M tokens) as an OpenRouter routed quote. MiMo-V2.5-Pro is cheaper for output ($12.00 vs $0.87 per 1M tokens) as an OpenRouter routed quote.
What is the context window difference between Gemini 3.1 Pro Preview and MiMo-V2.5-Pro?
Both Gemini 3.1 Pro Preview and MiMo-V2.5-Pro have about a 1M-token context window.
How do Gemini 3.1 Pro Preview and MiMo-V2.5-Pro compare on benchmarks?
On the tracked benchmarks, Gemini 3.1 Pro Preview leads on Terminal-Bench, and Gemini 3.1 Pro Preview leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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