ZMIME
Comparison · 2 models · Updated Oct 4, 2026

GPT-5.6 Cyber vs MiMo-V2.6-Pro-UltraSpeed

MiMo-V2.6-Pro-UltraSpeed comes out ahead, 44 to 30 on our weighted score, and it is the cheaper option too.

  1. OpenAI

    GPT-5.6 Cyber

    Released Aug 7, 2026

    30/100
    • ECI—
    • Price$12.50 / $75.00
    • Context400K
  2. Our pick

    Xiaomi

    MiMo-V2.6-Pro-UltraSpeed

    Released Sep 21, 2026

    44/100
    • ECI—
    • Price$4.35 / $8.70
    • Context1.05M
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01 — Verdict

MiMo-V2.6-Pro-UltraSpeed is our pick

MiMo-V2.6-Pro-UltraSpeed is the better all-round choice, scoring 44/100 against GPT-5.6 Cyber (30). It leads on price, inputs & features and 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 priceMiMo-V2.6-Pro-UltraSpeedMiMo-V2.6-Pro-UltraSpeed $5.44 · GPT-5.6 Cyber $28.13 per 1M tokens (3:1 blend)
  • Longest contextMiMo-V2.6-Pro-UltraSpeedMiMo-V2.6-Pro-UltraSpeed 1,048,576 · GPT-5.6 Cyber 400,000 tokens
  • Widest inputsMiMo-V2.6-Pro-UltraSpeedGPT-5.6 Cyber: Text, Images · MiMo-V2.6-Pro-UltraSpeed: Text, Images, Audio, Video
  • Self-hostingMiMo-V2.6-Pro-UltraSpeedPublishes downloadable weights
How the score is built
MeasureWeightGPT-5.6 CyberMiMo-V2.6-Pro-UltraSpeed
Price50%015
Inputs & features30%7080
Context window20%4461
Overall100%30/10044/100

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.

GPT-5.6 Cyber vs MiMo-V2.6-Pro-UltraSpeed specifications side by side
SpecificationGPT-5.6 CyberOpenAIMiMo-V2.6-Pro-UltraSpeedXiaomi
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$12.50$4.35 (best)
Output$75.00$8.70 (best)
Cached input$1.25$0.036 (best)
Blended (3:1)$28.13$5.44 (best)
Long-context rateSame rateSame rate
Price sourceOfficial OpenAI APIOfficial Xiaomi API
Limits
Context window400,000 tokens1,048,576 tokens (best)
Max output128,000 tokens131,072 tokens (best)
Inputs and features
TextYesYes
ImagesYesYes
PDFsNoNo
AudioNoYes
VideoNoYes
ReasoningYeslow · medium · high · xhigh · maxYes
Tool callingYesYes
Structured outputYesNo
Availability
WeightsProprietaryOpen
API model IDgpt-daybreak-red-latestmimo-v2.6-pro-ultraspeed
API providers19 (best)
ReleasedAug 7, 2026Sep 21, 2026
Knowledge cutoffFeb 16, 2026—
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.

  • GPT-5.6 Cyber$275.00
  • MiMo-V2.6-Pro-UltraSpeed$60.90
04 — Questions

Which should you choose?

Which is better: GPT-5.6 Cyber or MiMo-V2.6-Pro-UltraSpeed?

MiMo-V2.6-Pro-UltraSpeed is the better all-round choice, scoring 44/100 against GPT-5.6 Cyber (30). It leads on price, inputs & features and 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, GPT-5.6 Cyber or MiMo-V2.6-Pro-UltraSpeed?

MiMo-V2.6-Pro-UltraSpeed is cheaper at $4.35 input / $8.70 output per million tokens (official Xiaomi API price). GPT-5.6 Cyber costs $12.50 input / $75.00 output per million tokens (official OpenAI API price). At a typical mix of three input tokens to one output token, that is $5.44 per million tokens for MiMo-V2.6-Pro-UltraSpeed versus $28.13 for GPT-5.6 Cyber (5.2× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. GPT-5.6 Cyber has not been scored yet and MiMo-V2.6-Pro-UltraSpeed has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for GPT-5.6 Cyber and MiMo-V2.6-Pro-UltraSpeed 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-V2.6-Pro-UltraSpeed has the largest context window at 1,048,576 tokens, against 400,000 for GPT-5.6 Cyber. Maximum output per response: GPT-5.6 Cyber up to 128,000, MiMo-V2.6-Pro-UltraSpeed up to 131,072 tokens.

Which can read images, PDFs, audio or video?

GPT-5.6 Cyber accepts text and images; MiMo-V2.6-Pro-UltraSpeed accepts text, images, audio and video. MiMo-V2.6-Pro-UltraSpeed handles the widest range of inputs.

Are any of these open source?

MiMo-V2.6-Pro-UltraSpeed publishes its weights and can be self-hosted; GPT-5.6 Cyber is proprietary.

Which is newer?

MiMo-V2.6-Pro-UltraSpeed is the newest, released Sep 21, 2026. GPT-5.6 Cyber came out Aug 7, 2026. Knowledge cutoff: GPT-5.6 Cyber Feb 16, 2026.

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.