MiMo-V2.5-Pro-UltraSpeed API Pricing
MiMo-V2.5-Pro-UltraSpeed was Xiaomi's invitation-only fast tier of V2.5-Pro, pitched at a 1,000 tokens/s peak and listed at $1.305/M input, $0.0108/M cached input and $2.61/M output, exactly 3x its base model. It never reached general availability. At the V2.6 launch on September 22, 2026 it left Xiaomi's homepage and price table, replaced by MiMo-V2.6-Pro-UltraSpeed at 10x V2.6-Pro, and Xiaomi said the invitation beta would end within a week.
Run the numbers.
Calculator pre-loaded with the rates the invite-only UltraSpeed preview listed at. It is kept for the record; the current fast tier is MiMo-V2.6-Pro-UltraSpeed.
Real-world presets.
Repo repair task
Analyst memo draft
Web research brief
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This is a chars-per-token approximation, not a real tokenizer. Actual tokens vary by language, code density, and tool-call overhead — counts are typically ±10–20% off for English prose, more for code or non-Latin scripts. For exact billing, use the vendor's official tokenizer.
| Model | Input /M | Output /M | Effective blended | Context | Best for |
|---|---|---|---|---|---|
| MiMo-V2.5-Pro-UltraSpeed Current | $1.30 cache $0.0108 | $2.61 | $0.433 agentic 92/8 | 1M | High-throughput coding agents |
| MiMo-V2.6-Pro-UltraSpeed | $4.35 cache $0.036 | $8.70 | $1.44 +3.3× | 1M | The public fast tier that replaced it |
| MiMo-V2.6-Pro | $0.435 cache $0.0036 | $0.87 | $0.144 −3.0× | 1M | The same flagship at normal speed |
| MiniMax M3 | $0.30 cache $0.06 | $1.20 | $0.191 −2.3× | 1M | MiniMax frontier coding agents |
| DeepSeek V4 Pro | $1.32 cache $0.044 | $3.96 | $0.569 +31% | 1M | Low-cost reasoning workloads |
| Qwen3 Max | $1.20 | $6.00 | $1.58 deprecated · +3.7× | 252K | Alibaba flagship workloads |
Frequently asked.
Practical questions about MiMo-V2.5-Pro-UltraSpeed pricing, cache hits, context size, and latency-sensitive MiMo Pro workloads.
Q · 01 Can I still use MiMo-V2.5-Pro-UltraSpeed? +
Q · 02 What replaced it, and what does that cost? +
Q · 03 What was MiMo-V2.5-Pro-UltraSpeed priced at? +
$1.305/M input, $0.0108/M cached input and $2.61/M output, from the start of the preview on July 1, 2026 until it was withdrawn. Under our 92/8 agentic blend with 82% cache hits that was about $0.43/M.Q · 04 What context window does MiMo-V2.5-Pro-UltraSpeed support? +
1M context for the V2.5 family row used on this page.Q · 05 When was this last checked? +
2026-09-24: the model is absent from Xiaomi's pay-as-you-go table and homepage, and the Internet Archive capture of September 14, 2026 is the last one that still lists it.