GPT-5.5 vs MiMo-V2.5-Pro
API pricing, context window and capabilities for GPT-5.5 and MiMo-V2.5-Pro, side by side. Prices are the cheapest serving route per 1M tokens, verified against LiteLLM and OpenRouter.
Verdict
computed from the published numbersGPT-5.5 wins on coding, on intelligence and on context window. MiMo-V2.5-Pro wins on price.
Price
MiMo-V2.5-Pro
Coding
GPT-5.5
Intelligence
GPT-5.5
Context window
GPT-5.5
Key takeaways
who wins on what, from the published numbersGPT-5.5 wins
- Larger context window (1.1M vs 1M)
- Supports vision
- Has web search
MiMo-V2.5-Pro wins
- Cheaper input ($5.00 vs $0.43 /1M)
- Cheaper output ($30.00 vs $0.87 /1M)
- Higher max output (128K vs 131K)
Cheaper overall
MiMo-V2.5-Pro
$0.43 + $0.87 /1M
Larger context
GPT-5.5
1.1M
More providers
Tied
Pricing & specs
cheapest serving route · per 1M tokens| GPT-5.5 | MiMo-V2.5-Pro | |
|---|---|---|
| Input $/1M | $5.00 | $0.43 best |
| Output $/1M | $30.00 | $0.87 best |
| Context window | 1.1M best | 1M |
| Max output | 128K | 131K best |
| Serving providers | 3 | 3 |
| Released | 2026-04-23 | 2026-04-22 |
Benchmarks
Artificial Analysis indices, side by side| GPT-5.5 | MiMo-V2.5-Pro | |
|---|---|---|
| Intelligence | 56.3 best | 42.9 |
| Coding | 74.9 best | 60.2 |
| GPQA Diamond | 94% best | 87% |
| Output speed | 81 t/s best | 36 t/s |
| Latency (TTFT) | 80.38s | 4.36s best |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
GPT-5.5
via Azure
$55
MiMo-V2.5-Pro
via OpenRouter
$3.04
Capabilities
feature support, side by side| Feature | GPT-5.5 | MiMo-V2.5-Pro |
|---|---|---|
| Vision | ✓ | — |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
| Audio | — | — |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | ✓ | — |
Related comparisons
Frequently asked questions
Which is cheaper, GPT-5.5 or MiMo-V2.5-Pro?
MiMo-V2.5-Pro is cheaper for input ($5.00 vs $0.43 per 1M tokens). MiMo-V2.5-Pro is cheaper for output ($30.00 vs $0.87 per 1M tokens).
What is the context window difference between GPT-5.5 and MiMo-V2.5-Pro?
GPT-5.5 has a 1.1M-token context window and MiMo-V2.5-Pro has 1M tokens, so GPT-5.5 can take a larger prompt.
How do GPT-5.5 and MiMo-V2.5-Pro compare on benchmarks?
On the tracked Artificial Analysis indices, GPT-5.5 leads on coding, and GPT-5.5 leads on intelligence.
Pricing verified against LiteLLM + OpenRouter + provider pages · refreshed daily
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