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Comparison · 2 models · Updated Nov 2, 2026

Kimi K3.1 Pro vs Fugu Max

Too close to call on our weighted score (Kimi K3.1 Pro 46, Fugu Max 46). The right pick depends on what you value most.

  1. Moonshot AI

    Kimi K3.1 Pro

    Released Oct 23, 2026New

    46/100
    • ECI—
    • Price$2.00 / $10.00
    • Context1.05M
  2. Sakana AI

    Fugu Max

    Released Sep 11, 2026New

    46/100
    • ECI—
    • Price$2.00 / $6.00
    • Context1M
  3. Add a model

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01 — Verdict

Too close to call

It is close. Our weighted score puts them within a point (Kimi K3.1 Pro 46/100, Fugu Max 46/100), so choose by what matters most for your work: Fugu Max on price and Kimi K3.1 Pro 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 priceFugu MaxFugu Max $3.00 · Kimi K3.1 Pro $4.00 per 1M tokens (3:1 blend)
  • Longest contextKimi K3.1 ProKimi K3.1 Pro 1,048,576 · Fugu Max 1,000,000 tokens
  • Widest inputsSame inputsKimi K3.1 Pro: Text, Images, Video · Fugu Max: Text, Images, PDFs
  • Self-hostingNo open weightsBoth are available only through APIs
How the score is built
MeasureWeightKimi K3.1 ProFugu Max
Price50%2026
Inputs & features30%8070
Context window20%6160
Overall100%46/10046/100

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.

Kimi K3.1 Pro vs Fugu Max specifications side by side
SpecificationKimi K3.1 ProMoonshot AIFugu MaxSakana AI
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$2.00$2.00
Output$10.00$6.00 (best)
Cached input$0.20—
Blended (3:1)$4.00$3.00 (best)
Long-context rateSame rateSame rate
Price sourceOfficial Moonshot AI APIMedian of 9 providers
Limits
Context window1,048,576 tokens (best)1,000,000 tokens
Max output131,072 tokens (best)128,000 tokens
Inputs and features
TextYesYes
ImagesYesYes
PDFsNoYes
AudioNoNo
VideoYesNo
ReasoningYeslow · high · maxYes
Tool callingYesYes
Structured outputYesNo
Availability
WeightsProprietaryProprietary
API model IDkimi-k3.1-pro—
API providers17 (best)9
ReleasedOct 23, 2026Sep 11, 2026
Knowledge cutoff——
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.

  • Kimi K3.1 Pro$40.00
  • Fugu Max$32.00
04 — Questions

Which should you choose?

Which is better: Kimi K3.1 Pro or Fugu Max?

It is close. Our weighted score puts them within a point (Kimi K3.1 Pro 46/100, Fugu Max 46/100), so choose by what matters most for your work: Fugu Max on price and Kimi K3.1 Pro 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, Kimi K3.1 Pro or Fugu Max?

Fugu Max is cheaper at $2.00 input / $6.00 output per million tokens (median across 9 API providers). Kimi K3.1 Pro costs $2.00 input / $10.00 output per million tokens (official Moonshot AI API price). At a typical mix of three input tokens to one output token, that is $3.00 per million tokens for Fugu Max versus $4.00 for Kimi K3.1 Pro (1.3× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Kimi K3.1 Pro has not been scored yet and Fugu Max has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Kimi K3.1 Pro and Fugu Max 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?

Kimi K3.1 Pro has the largest context window at 1,048,576 tokens, against 1,000,000 for Fugu Max. Maximum output per response: Kimi K3.1 Pro up to 131,072, Fugu Max up to 128,000 tokens.

Which can read images, PDFs, audio or video?

Kimi K3.1 Pro accepts text, images and video; Fugu Max accepts text, images and PDFs. They handle the same number of input types.

Are any of these open source?

No. Kimi K3.1 Pro and Fugu Max are proprietary and only available through APIs and apps.

Which is newer?

Kimi K3.1 Pro is the newest, released Oct 23, 2026. Fugu Max came out Sep 11, 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 Nov 2, 2026.