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Comparison · 2 models · Updated Oct 4, 2026

MiMo-V2.5-Pro-UltraSpeed vs DeepSeek V4 Pro

Too close to call on our weighted score (DeepSeek V4 Pro 45, MiMo-V2.5-Pro-UltraSpeed 43). The right pick depends on what you value most.

  1. Xiaomi

    MiMo-V2.5-Pro-UltraSpeed

    Released Jun 8, 2026Beta

    43/100
    • ECI—
    • Price$1.30 / $2.61
    • Context1.05M
  2. DeepSeek

    DeepSeek V4 Pro

    Released Apr 24, 2026

    45/100
    • ECI—
    • Price$1.32 / $3.00
    • Context1M
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01 — Verdict

Too close to call

It is close. Our weighted score puts them within 2 points (DeepSeek V4 Pro 45/100, MiMo-V2.5-Pro-UltraSpeed 43/100), so choose by what matters most for your work: MiMo-V2.5-Pro-UltraSpeed on price and MiMo-V2.5-Pro-UltraSpeed for long inputs. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

  • CapabilityNot enough dataNo independent benchmark covers every model here yet
  • Lowest priceMiMo-V2.5-Pro-UltraSpeedMiMo-V2.5-Pro-UltraSpeed $1.63 · DeepSeek V4 Pro $1.74 per 1M tokens (3:1 blend)
  • Longest contextMiMo-V2.5-Pro-UltraSpeedMiMo-V2.5-Pro-UltraSpeed 1,048,576 · DeepSeek V4 Pro 1,000,000 tokens
  • Widest inputsSame inputsMiMo-V2.5-Pro-UltraSpeed: Text · DeepSeek V4 Pro: Text
  • Self-hostingAll open weightsEvery model here can be downloaded and run on your own hardware
How the score is built
MeasureWeightMiMo-V2.5-Pro-UltraSpeedDeepSeek V4 Pro
Price50%4038
Inputs & features30%3545
Context window20%6160
Overall100%43/10045/100

Left out because at least one model lacks the data: capability. The remaining weights were rescaled.

02 — Side by side

Every spec in one table

Highlighted cells lead their row. Dashes mean the data is not published.

MiMo-V2.5-Pro-UltraSpeed vs DeepSeek V4 Pro specifications side by side
SpecificationMiMo-V2.5-Pro-UltraSpeedXiaomiDeepSeek V4 ProDeepSeek
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$1.30 (best)$1.32
Output$2.61 (best)$3.00
Cached input$0.011—
Blended (3:1)$1.63 (best)$1.74
Long-context rateSame rateSame rate
Price sourceOfficial Xiaomi APIMedian of 49 providers
Limits
Context window1,048,576 tokens (best)1,000,000 tokens
Max output131,072 tokens384,000 tokens (best)
Inputs and features
TextYesYes
ImagesNoNo
PDFsNoNo
AudioNoNo
VideoNoNo
ReasoningYesYes
Tool callingYesYes
Structured outputNoYes
Availability
WeightsOpenOpen
API model IDmimo-v2.5-pro-ultraspeed—
API providers152 (best)
ReleasedJun 8, 2026Apr 24, 2026
Knowledge cutoffDec 2024May 2025
03 — Cost

What would a month cost?

Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.

  • MiMo-V2.5-Pro-UltraSpeed$18.27
  • DeepSeek V4 Pro$19.20
04 — Questions

Which should you choose?

Which is better: MiMo-V2.5-Pro-UltraSpeed or DeepSeek V4 Pro?

It is close. Our weighted score puts them within 2 points (DeepSeek V4 Pro 45/100, MiMo-V2.5-Pro-UltraSpeed 43/100), so choose by what matters most for your work: MiMo-V2.5-Pro-UltraSpeed on price and MiMo-V2.5-Pro-UltraSpeed for long inputs. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

Which is cheaper, MiMo-V2.5-Pro-UltraSpeed or DeepSeek V4 Pro?

MiMo-V2.5-Pro-UltraSpeed is cheaper at $1.30 input / $2.61 output per million tokens (official Xiaomi API price). DeepSeek V4 Pro costs $1.32 input / $3.00 output per million tokens (median across 49 API providers). At a typical mix of three input tokens to one output token, that is $1.63 per million tokens for MiMo-V2.5-Pro-UltraSpeed versus $1.74 for DeepSeek V4 Pro (1.1× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. MiMo-V2.5-Pro-UltraSpeed has not been scored yet and DeepSeek V4 Pro has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for MiMo-V2.5-Pro-UltraSpeed and DeepSeek V4 Pro yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Both support tool calling for agent workflows.

Which has the bigger context window?

MiMo-V2.5-Pro-UltraSpeed has the largest context window at 1,048,576 tokens, against 1,000,000 for DeepSeek V4 Pro. Maximum output per response: MiMo-V2.5-Pro-UltraSpeed up to 131,072, DeepSeek V4 Pro up to 384,000 tokens.

Which can read images, PDFs, audio or video?

MiMo-V2.5-Pro-UltraSpeed accepts text; DeepSeek V4 Pro accepts text. They handle the same number of input types.

Are any of these open source?

Yes, both publish their weights, so you can self-host them.

Which is newer?

MiMo-V2.5-Pro-UltraSpeed is the newest, released Jun 8, 2026. DeepSeek V4 Pro came out Apr 24, 2026. Knowledge cutoff: MiMo-V2.5-Pro-UltraSpeed Dec 2024, DeepSeek V4 Pro May 2025.

How do you decide the winner?

Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Oct 4, 2026.