OpenAI: GPT-5.6 Terra Pro vs Xiaomi: MiMo-V2.5
On input price, Xiaomi: MiMo-V2.5 is ~16.8× cheaper. Verified 2026-10-21.
Verdict
On blended price (3:1 input:output), Xiaomi: MiMo-V2.5 is ~30.3× cheaper ($0.119/$0.238 vs $2.00/$12.00 per 1M tokens). OpenAI: GPT-5.6 Terra Pro scores higher on intelligence (57 vs 38, Artificial Analysis) — pay more only if that gap matters for your workload.
Pricing
Per-million-token list prices, verified 2026-10-21. Green marks the better value.
| Metric | OpenAI: GPT-5.6 Terra Pro | Xiaomi: MiMo-V2.5 |
|---|---|---|
| Input / 1M | $2.00 | $0.119 |
| Output / 1M | $12.00 | $0.238 |
| Cache read / 1M | $0.200 | $0.0026 |
| Blended (3:1) | $4.50/1M | $0.149/1M |
| Estimated monthly cost | OpenAI: GPT-5.6 Terra Pro | Xiaomi: MiMo-V2.5 |
|---|---|---|
| Chatbot10,000 reqs · 800/400 tok | $64.00 | $1.90 |
| Coding agent5,000 reqs · 8000/2000 tok | $200.00 | $7.14 |
| RAG pipeline30,000 reqs · 4000/500 tok | $420.00 | $17.85 |
Plug in your own numbers in the calculator, or paste a real bill into the Bill Shredder.
Specifications & capabilities
| Metric | OpenAI: GPT-5.6 Terra Pro | Xiaomi: MiMo-V2.5 |
|---|---|---|
| Context window | 1.1M | 1.1M |
| Max output | 128K | 945K |
| Vision input | ✓ | ✓ |
| Tool calling | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
Quality
Intelligence Index by Artificial Analysis (independent evaluations, 0–100).
Sources: OpenAI: GPT-5.6 Terra Pro on Artificial Analysis · Xiaomi: MiMo-V2.5 on Artificial Analysis
Performance
Measured by Artificial Analysis on live endpoints.
Speed measurements aren't available for both models yet.
Provider
Infrastructure metrics for the organizations behind these models.
| Metric | OpenAI | Xiaomi |
|---|---|---|
| Listed endpoints | 12 | 2 |
| Reliability | 99.9% | 99.2% |
| Avg latency | 450 ms | 500 ms |
| Pricing tiers | standard, batch, provisioned | standard |
Full details: OpenAI: GPT-5.6 Terra Pro pricing · Xiaomi: MiMo-V2.5 pricing