ZMIME
Comparison · 2 models · Updated Oct 4, 2026

Kimi K2.7 Code Highspeed vs GPT-5.6 Cyber

Kimi K2.7 Code Highspeed comes out ahead, 44 to 30 on our weighted score, and it is the cheaper option too.

  1. Our pick

    Moonshot AI

    Kimi K2.7 Code Highspeed

    Released Jun 12, 2026

    44/100
    • ECI—
    • Price$1.90 / $8.00
    • Context262K
  2. OpenAI

    GPT-5.6 Cyber

    Released Aug 7, 2026

    30/100
    • ECI—
    • Price$12.50 / $75.00
    • Context400K
  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Kimi K2.7 Code Highspeed is our pick

Kimi K2.7 Code Highspeed is the better all-round choice, scoring 44/100 against GPT-5.6 Cyber (30). It leads on price and inputs & features. GPT-5.6 Cyber 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 priceKimi K2.7 Code HighspeedKimi K2.7 Code Highspeed $3.42 · GPT-5.6 Cyber $28.13 per 1M tokens (3:1 blend)
  • Longest contextGPT-5.6 CyberGPT-5.6 Cyber 400,000 · Kimi K2.7 Code Highspeed 262,144 tokens
  • Widest inputsKimi K2.7 Code HighspeedKimi K2.7 Code Highspeed: Text, Images, Video · GPT-5.6 Cyber: Text, Images
  • Self-hostingKimi K2.7 Code HighspeedPublishes downloadable weights
How the score is built
MeasureWeightKimi K2.7 Code HighspeedGPT-5.6 Cyber
Price50%250
Inputs & features30%8070
Context window20%3744
Overall100%44/10030/100

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 K2.7 Code Highspeed vs GPT-5.6 Cyber specifications side by side
SpecificationKimi K2.7 Code HighspeedMoonshot AIGPT-5.6 CyberOpenAI
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$1.90 (best)$12.50
Output$8.00 (best)$75.00
Cached input—$1.25
Blended (3:1)$3.42 (best)$28.13
Long-context rateSame rateSame rate
Price sourceMedian of 11 providersOfficial OpenAI API
Limits
Context window262,144 tokens400,000 tokens (best)
Max output262,144 tokens (best)128,000 tokens
Inputs and features
TextYesYes
ImagesYesYes
PDFsNoNo
AudioNoNo
VideoYesNo
ReasoningYesYeslow · medium · high · xhigh · max
Tool callingYesYes
Structured outputYesYes
Availability
WeightsOpenProprietary
API model ID—gpt-daybreak-red-latest
API providers11 (best)1
ReleasedJun 12, 2026Aug 7, 2026
Knowledge cutoffJan 2025Feb 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.

  • Kimi K2.7 Code Highspeed$35.00
  • GPT-5.6 Cyber$275.00
04 — Questions

Which should you choose?

Which is better: Kimi K2.7 Code Highspeed or GPT-5.6 Cyber?

Kimi K2.7 Code Highspeed is the better all-round choice, scoring 44/100 against GPT-5.6 Cyber (30). It leads on price and inputs & features. GPT-5.6 Cyber 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, Kimi K2.7 Code Highspeed or GPT-5.6 Cyber?

Kimi K2.7 Code Highspeed is cheaper at $1.90 input / $8.00 output per million tokens (median across 11 API providers). 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 $3.42 per million tokens for Kimi K2.7 Code Highspeed versus $28.13 for GPT-5.6 Cyber (8.2× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Kimi K2.7 Code Highspeed has not been scored yet and GPT-5.6 Cyber has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Kimi K2.7 Code Highspeed and GPT-5.6 Cyber 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?

GPT-5.6 Cyber has the largest context window at 400,000 tokens, against 262,144 for Kimi K2.7 Code Highspeed. Maximum output per response: Kimi K2.7 Code Highspeed up to 262,144, GPT-5.6 Cyber up to 128,000 tokens.

Which can read images, PDFs, audio or video?

Kimi K2.7 Code Highspeed accepts text, images and video; GPT-5.6 Cyber accepts text and images. Kimi K2.7 Code Highspeed handles the widest range of inputs.

Are any of these open source?

Kimi K2.7 Code Highspeed publishes its weights and can be self-hosted; GPT-5.6 Cyber is proprietary.

Which is newer?

GPT-5.6 Cyber is the newest, released Aug 7, 2026. Kimi K2.7 Code Highspeed came out Jun 12, 2026. Knowledge cutoff: Kimi K2.7 Code Highspeed Jan 2025, 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.