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Comparison · 2 models · Updated Oct 4, 2026

MiMo-V2.5-Pro-UltraSpeed vs Nemotron 3.5 Lightning 30B A3B

Nemotron 3.5 Lightning 30B A3B comes out ahead, 71 to 43 on our weighted score, and it is the cheaper option too.

  1. Xiaomi

    MiMo-V2.5-Pro-UltraSpeed

    Released Jun 8, 2026Beta

    43/100
    • ECI—
    • Price$1.30 / $2.61
    • Context1.05M
    Full specs Remove MiMo-V2.5-Pro-UltraSpeed
  2. Our pick

    NVIDIA

    Nemotron 3.5 Lightning 30B A3B

    Released Aug 11, 2026

    71/100
    • ECI—
    • Price$0.05 / $0.20
    • Context262K
    Full specs Remove Nemotron 3.5 Lightning 30B A3B

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Nemotron 3.5 Lightning 30B A3B is our pick

Nemotron 3.5 Lightning 30B A3B is the better all-round choice, scoring 71/100 against MiMo-V2.5-Pro-UltraSpeed (43). It leads on price and inputs & features. MiMo-V2.5-Pro-UltraSpeed wins on context window. 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 priceNemotron 3.5 Lightning 30B A3BNemotron 3.5 Lightning 30B A3B $0.087 · MiMo-V2.5-Pro-UltraSpeed $1.63 per 1M tokens (3:1 blend)
  • Longest contextMiMo-V2.5-Pro-UltraSpeedMiMo-V2.5-Pro-UltraSpeed 1,048,576 · Nemotron 3.5 Lightning 30B A3B 262,144 tokens
  • Widest inputsSame inputsMiMo-V2.5-Pro-UltraSpeed: Text · Nemotron 3.5 Lightning 30B A3B: 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-UltraSpeedNemotron 3.5 Lightning 30B A3B
Price50%40100
Inputs & features30%3545
Context window20%6137
Overall100%43/10071/100

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 Nemotron 3.5 Lightning 30B A3B specifications side by side
SpecificationMiMo-V2.5-Pro-UltraSpeedXiaomiNemotron 3.5 Lightning 30B A3BNVIDIA
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$1.30$0.05 (best)
Output$2.61$0.20 (best)
Cached input$0.011—
Blended (3:1)$1.63$0.087 (best)
Long-context rateSame rateSame rate
Price sourceOfficial Xiaomi APIMedian of 9 providers
Limits
Context window1,048,576 tokens (best)262,144 tokens
Max output131,072 tokens262,144 tokens (best)
Inputs and features
TextYesYes
ImagesNoNo
PDFsNoNo
AudioNoNo
VideoNoNo
ReasoningYesYes
Tool callingYesYes
Structured outputNoYes
Availability
WeightsOpenOpen
API model IDmimo-v2.5-pro-ultraspeednvidia/nemotron-3.5-lightning-30b-a3b
API providers112 (best)
ReleasedJun 8, 2026Aug 11, 2026
Knowledge cutoffDec 2024—
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
  • Nemotron 3.5 Lightning 30B A3B$0.90
04 — Questions

Which should you choose?

Which is better: MiMo-V2.5-Pro-UltraSpeed or Nemotron 3.5 Lightning 30B A3B?

Nemotron 3.5 Lightning 30B A3B is the better all-round choice, scoring 71/100 against MiMo-V2.5-Pro-UltraSpeed (43). It leads on price and inputs & features. MiMo-V2.5-Pro-UltraSpeed wins on context window. 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 Nemotron 3.5 Lightning 30B A3B?

Nemotron 3.5 Lightning 30B A3B is cheaper at $0.05 input / $0.20 output per million tokens (median across 9 API providers; free on Nvidia). MiMo-V2.5-Pro-UltraSpeed costs $1.30 input / $2.61 output per million tokens (official Xiaomi API price). At a typical mix of three input tokens to one output token, that is $0.087 per million tokens for Nemotron 3.5 Lightning 30B A3B versus $1.63 for MiMo-V2.5-Pro-UltraSpeed (19× 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 Nemotron 3.5 Lightning 30B A3B 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 Nemotron 3.5 Lightning 30B A3B 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 262,144 for Nemotron 3.5 Lightning 30B A3B. Maximum output per response: MiMo-V2.5-Pro-UltraSpeed up to 131,072, Nemotron 3.5 Lightning 30B A3B up to 262,144 tokens.

Which can read images, PDFs, audio or video?

MiMo-V2.5-Pro-UltraSpeed accepts text; Nemotron 3.5 Lightning 30B A3B 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?

Nemotron 3.5 Lightning 30B A3B is the newest, released Aug 11, 2026. MiMo-V2.5-Pro-UltraSpeed came out Jun 8, 2026. Knowledge cutoff: MiMo-V2.5-Pro-UltraSpeed Dec 2024.

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.

05 — Keep comparing

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