MiMo-V2-Pro is $29 cheaper per 1M input tokens (96.7% lower; 30x difference).
API cost decision in 10 seconds
MiMo-V2-Pro vs GPT-5.5 Pro
Pick MiMo-V2-Pro for lower cost; pick GPT-5.5 Pro only if the larger context window matters more.
Page updated:
Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick MiMo-V2-Pro for lower cost; pick GPT-5.5 Pro only if the larger context window matters more.
On the standard 1M input plus 500K output workload, MiMo-V2-Pro is estimated at $2.5 vs $120 for GPT-5.5 Pro, saving $117.5 (97.9% lower).
Cost-first pickMiMo-V2-Pro
Context-first pickGPT-5.5 Pro
Sample savings$117.597.9%
10x traffic gap$1175
GPT-5.5 Pro has more context, but MiMo-V2-Pro saves $117.5 on the standard workload. At 10x that traffic, the same price gap is about $1175. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
MiMo-V2-Pro stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | MiMo-V2-Pro | GPT-5.5 Pro |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | MiMo-V2-Pro | $6.5 | $240 |
| Balanced workload | 1M input + 1M output | MiMo-V2-Pro | $4 | $210 |
| Output-heavy chatbot | 1M input + 5M output | MiMo-V2-Pro | $16 | $930 |
MiMo-V2-Pro is $177 cheaper per 1M output tokens (98.3% lower; 60x difference).
GPT-5.5 Pro has 1.42K more context (1x larger).
MiMo-V2-Pro is $117.5 cheaper on the standard workload (97.9% lower).
Estimate your workload cost
Your Workload Cost
This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.
Quick Decision
MiMo-V2-Pro has the lower input price; MiMo-V2-Pro has the lower output price; GPT-5.5 Pro offers the larger context window. For the 1M input plus 500K output sample, MiMo-V2-Pro is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $2.5 for MiMo-V2-Pro and $120 for GPT-5.5 Pro.
Choose MiMo-V2-Pro when you care most about lower input-token price, and lower output-token price.
Choose GPT-5.5 Pro when you care most about larger context window.
- On the standard 1M input plus 500K output workload, MiMo-V2-Pro is estimated at $2.5 vs $120 for GPT-5.5 Pro, saving $117.5 (97.9% lower).
- MiMo-V2-Pro is $117.5 cheaper on the standard workload (97.9% lower).
- MiMo-V2-Pro is $29 cheaper per 1M input tokens (96.7% lower; 30x difference).
- MiMo-V2-Pro is $177 cheaper per 1M output tokens (98.3% lower; 60x difference).
- GPT-5.5 Pro has 1.42K more context (1x larger).
| Feature | MiMo-V2-Pro (Xiaomi) | GPT-5.5 Pro (OpenAI) |
|---|---|---|
| Input Price prompt tokens per 1M | $1 | $30 |
| Completion Price per 1M tokens | $3 | $180 |
| Sample Workload Cost 1M input + 500K output | $2.5 | $120 |
| Context Window | 1.05M | 1.05M |
| Release Date | ||
| Popularity | #74 | #122 |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | MiMo-V2-Pro | On the standard 1M input plus 500K output workload, MiMo-V2-Pro is estimated at $2.5 vs $120 for GPT-5.5 Pro, saving $117.5 (97.9% lower). |
| High-volume input processing | MiMo-V2-Pro | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | MiMo-V2-Pro | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | GPT-5.5 Pro | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- MiMo-V2-Flash can replace MiMo-V2-Pro when lower sample workload cost matters most: $0.25.
- MiMo-V2.5 can replace MiMo-V2-Pro when lower sample workload cost matters most: $0.28.
- MiMo-V2.5-Pro can replace MiMo-V2-Pro when lower sample workload cost matters most: $0.87.
- MiMo-V2-Omni can replace MiMo-V2-Pro when lower sample workload cost matters most: $1.4.
- Llama 4 Scout offers 10M context with $0.23 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- Grok 4.20 Multi-Agent offers 2M context with $5 sample workload cost.
- DeepSeek V4 Flash · DeepSeek · #1
- Hy3 preview · Tencent · #2
- Claude Opus 4.7 · Anthropic · #3
- Claude Sonnet 4.6 · Anthropic · #4
Cheaper alternatives
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Open OpenAI modelsMiMo-V2-Pro is Xiaomi's flagship foundation model, featuring over 1T total parameters and a 1M context length, deeply optimized for agentic scenarios. It is highly adaptable to general agent frameworks like...
GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...