ZMIME
Comparison · 3 models · Updated Oct 4, 2026

Qwen3.6 Plus vs Qwen3.6 Max Preview vs Kimi K2.5

Too close to call on our weighted score (Qwen3.6 Plus 66, Kimi K2.5 65, Qwen3.6 Max Preview 54). The right pick depends on what you value most.

  1. Alibaba (Qwen)

    Qwen3.6 Plus

    Released Apr 2, 2026

    66/100
    • ECI147.6
    • Price$0.50 / $3.00
    • Context1M
  2. Alibaba (Qwen)

    Qwen3.6 Max Preview

    Released Apr 20, 2026

    54/100
    • ECI149.2
    • Price$1.30 / $7.80
    • Context262K
  3. Moonshot AI

    Kimi K2.5

    Released Jan 27, 2026

    65/100
    • ECI148.0
    • Price$0.60 / $3.00
    • Context262K
01 — Verdict

Too close to call

It is close. Our weighted score puts them within a point (Qwen3.6 Plus 66/100, Kimi K2.5 65/100, Qwen3.6 Max Preview 54/100), so choose by what matters most for your work: Qwen3.6 Max Preview for raw capability, Qwen3.6 Plus on price and Qwen3.6 Plus for long inputs. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.

  • CapabilityQwen3.6 Max PreviewCapabilities Index (ECI): Qwen3.6 Max Preview 149.2 · Kimi K2.5 148.0 · Qwen3.6 Plus 147.6
  • Lowest priceQwen3.6 PlusQwen3.6 Plus $1.13 · Kimi K2.5 $1.20 · Qwen3.6 Max Preview $2.92 per 1M tokens (3:1 blend)
  • Longest contextQwen3.6 PlusQwen3.6 Plus 1,000,000 · Qwen3.6 Max Preview 262,144 · Kimi K2.5 262,144 tokens
  • Widest inputsQwen3.6 Plus and Kimi K2.5Qwen3.6 Plus: Text, Images, Video · Qwen3.6 Max Preview: Text · Kimi K2.5: Text, Images, Video
  • Self-hostingKimi K2.5Publishes downloadable weights
How the score is built
MeasureWeightQwen3.6 PlusQwen3.6 Max PreviewKimi K2.5
CapabilityCapabilities Index (ECI)50%757776
Price25%472846
Inputs & features15%703580
Context window10%603737
Overall100%66/10054/10065/100
02 — Side by side

Every spec in one table

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

Qwen3.6 Plus vs Qwen3.6 Max Preview vs Kimi K2.5 specifications side by side
SpecificationQwen3.6 PlusAlibaba (Qwen)Qwen3.6 Max PreviewAlibaba (Qwen)Kimi K2.5Moonshot AI
Capability
Capabilities Index (ECI)147.6149.2 (best)148.0
ECI rank#59 of 148#54 of 148 (best)#58 of 148
GPQA DiamondGraduate-level science questions88.4% (best)87.4%87.6%
FrontierMath Tiers 1–3Research-level mathematics38.3%——
OTIS Mock AIME 2024–2025Competition mathematics93.3% (best)91.1%92.2%
SWE-bench VerifiedFixing real GitHub issues57.9%76.7% (best)73.8%
SimpleQA VerifiedShort factual questions44.1%52.0% (best)34.3%
Price per million tokens
Input$0.50 (best)$1.30$0.60
Output$3.00 (best)$7.80$3.00 (best)
Cached input$0.05 (best)$0.13—
Blended (3:1)$1.13 (best)$2.92$1.20
Long-context rateOver 256K: $2.00 / $6.00Same rateSame rate
Price sourceOfficial Alibaba APIOfficial Alibaba APIMedian of 21 providers
Limits
Context window1,000,000 tokens (best)262,144 tokens262,144 tokens
Max output65,536 tokens65,536 tokens262,144 tokens (best)
Inputs and features
TextYesYesYes
ImagesYesNoYes
PDFsNoNoNo
AudioNoNoNo
VideoYesNoYes
ReasoningYesYesYes
Tool callingYesYesYes
Structured outputNoNoYes
Availability
WeightsProprietaryProprietaryOpen
API model IDqwen3.6-plusqwen3.6-max-preview—
API providers181021 (best)
ReleasedApr 2, 2026Apr 20, 2026Jan 27, 2026
Knowledge cutoffApr 2025Apr 2025Jan 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.

  • Qwen3.6 Plus$11.00
  • Qwen3.6 Max Preview$28.60
  • Kimi K2.5$12.00
04 — Questions

Which should you choose?

Which is better: Qwen3.6 Plus, Qwen3.6 Max Preview or Kimi K2.5?

It is close. Our weighted score puts them within a point (Qwen3.6 Plus 66/100, Kimi K2.5 65/100, Qwen3.6 Max Preview 54/100), so choose by what matters most for your work: Qwen3.6 Max Preview for raw capability, Qwen3.6 Plus on price and Qwen3.6 Plus for long inputs. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.

Which is cheaper, Qwen3.6 Plus, Qwen3.6 Max Preview or Kimi K2.5?

Qwen3.6 Plus is cheaper at $0.50 input / $3.00 output per million tokens (official Alibaba API price). Kimi K2.5 costs $0.60 input / $3.00 output per million tokens (median across 21 API providers); Qwen3.6 Max Preview costs $1.30 input / $7.80 output per million tokens (official Alibaba API price). At a typical mix of three input tokens to one output token, that is $1.13 per million tokens for Qwen3.6 Plus versus $1.20 for Kimi K2.5 (1.1× as much) and $2.92 for Qwen3.6 Max Preview (2.6× as much).

Which scores higher on benchmarks?

Qwen3.6 Max Preview scores higher on the Capabilities Index (ECI): Qwen3.6 Max Preview 149.2 (#54 of 148), Kimi K2.5 148.0 (#58 of 148) and Qwen3.6 Plus 147.6 (#59 of 148). The confidence ranges of the top two overlap (147.6–152.0 vs 146.5–149.3), so treat the gap as small. On individual benchmarks: GPQA Diamond — Qwen3.6 Plus 88.4%, Kimi K2.5 87.6%, Qwen3.6 Max Preview 87.4%; OTIS Mock AIME 2024–2025 — Qwen3.6 Plus 93.3%, Kimi K2.5 92.2%, Qwen3.6 Max Preview 91.1%; SWE-bench Verified — Qwen3.6 Max Preview 76.7%, Kimi K2.5 73.8%, Qwen3.6 Plus 57.9%; SimpleQA Verified — Qwen3.6 Max Preview 52.0%, Qwen3.6 Plus 44.1%, Kimi K2.5 34.3%.

Which is better for coding?

Qwen3.6 Max Preview resolves more real GitHub issues on SWE-bench Verified: Qwen3.6 Max Preview 76.7%, Kimi K2.5 73.8% and Qwen3.6 Plus 57.9%. All three support tool calling for agent workflows.

Which has the bigger context window?

Qwen3.6 Plus has the largest context window at 1,000,000 tokens, against 262,144 for Qwen3.6 Max Preview and 262,144 for Kimi K2.5. Maximum output per response: Qwen3.6 Plus up to 65,536, Qwen3.6 Max Preview up to 65,536, Kimi K2.5 up to 262,144 tokens.

Which can read images, PDFs, audio or video?

Qwen3.6 Plus accepts text, images and video; Qwen3.6 Max Preview accepts text; Kimi K2.5 accepts text, images and video. Qwen3.6 Plus handles the widest range of inputs.

Are any of these open source?

Kimi K2.5 publishes its weights and can be self-hosted; Qwen3.6 Plus and Qwen3.6 Max Preview is proprietary.

Which is newer?

Qwen3.6 Max Preview is the newest, released Apr 20, 2026. Qwen3.6 Plus came out Apr 2, 2026; Kimi K2.5 came out Jan 27, 2026. Knowledge cutoff: Qwen3.6 Plus Apr 2025, Qwen3.6 Max Preview Apr 2025, Kimi K2.5 Jan 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.