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Comparison · 2 models · Updated Nov 2, 2026

Kimi K2 Instruct vs Qwen3 30B-A3B Instruct 2507

Qwen3 30B-A3B Instruct 2507 comes out ahead, 59 to 50 on our weighted score, and it is the cheaper option too.

  1. Moonshot AI

    Kimi K2 Instruct

    Released Jul 11, 2025

    50/100
    • ECI139.9
    • Price$0.57 / $2.30
    • Context131K
    Full specs Remove Kimi K2 Instruct
  2. Our pick

    Alibaba (Qwen)

    Qwen3 30B-A3B Instruct 2507

    Released Jul 28, 2025

    59/100
    • ECI137.3
    • Price$0.10 / $0.30
    • Context262K
    Full specs Remove Qwen3 30B-A3B Instruct 2507

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Qwen3 30B-A3B Instruct 2507 is our pick

Qwen3 30B-A3B Instruct 2507 is the better all-round choice, scoring 59/100 against Kimi K2 Instruct (50). It leads on price and context window. Kimi K2 Instruct wins on capability. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.

  • CapabilityKimi K2 InstructCapabilities Index (ECI): Kimi K2 Instruct 139.9 · Qwen3 30B-A3B Instruct 2507 137.3
  • Lowest priceQwen3 30B-A3B Instruct 2507Qwen3 30B-A3B Instruct 2507 $0.15 · Kimi K2 Instruct $1.00 per 1M tokens (3:1 blend)
  • Longest contextQwen3 30B-A3B Instruct 2507Qwen3 30B-A3B Instruct 2507 262,144 · Kimi K2 Instruct 131,072 tokens
  • Widest inputsSame inputsKimi K2 Instruct: Text · Qwen3 30B-A3B Instruct 2507: Text
  • Self-hostingAll open weightsEvery model here can be downloaded and run on your own hardware
How the score is built
MeasureWeightKimi K2 InstructQwen3 30B-A3B Instruct 2507
CapabilityCapabilities Index (ECI)50%6461
Price25%4885
Inputs & features15%2525
Context window10%2537
Overall100%50/10059/100
02 — Side by side

Every spec in one table

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

Kimi K2 Instruct vs Qwen3 30B-A3B Instruct 2507 specifications side by side
SpecificationKimi K2 InstructMoonshot AIQwen3 30B-A3B Instruct 2507Alibaba (Qwen)
Capability
Capabilities Index (ECI)139.9 (best)137.3
ECI rank#112 of 165 (best)#124 of 165
GPQA DiamondGraduate-level science questions—55.6%
OTIS Mock AIME 2024–2025Competition mathematics—62.2%
Price per million tokens
Input$0.57$0.10 (best)
Output$2.30$0.30 (best)
Cached input——
Blended (3:1)$1.00$0.15 (best)
Long-context rateSame rateSame rate
Price sourceMedian of 11 providersMedian of 12 providers
Limits
Context window131,072 tokens262,144 tokens (best)
Max output32,768 tokens (best)16,384 tokens
Inputs and features
TextYesYes
ImagesNoNo
PDFsNoNo
AudioNoNo
VideoNoNo
ReasoningNoNo
Tool callingYesYes
Structured outputNoNo
Availability
WeightsOpenModified MITOpenApache 2.0
API model ID——
API providers1114 (best)
ReleasedJul 11, 2025Jul 28, 2025
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 K2 Instruct$10.30
  • Qwen3 30B-A3B Instruct 2507$1.60
04 — Questions

Which should you choose?

Which is better: Kimi K2 Instruct or Qwen3 30B-A3B Instruct 2507?

Qwen3 30B-A3B Instruct 2507 is the better all-round choice, scoring 59/100 against Kimi K2 Instruct (50). It leads on price and context window. Kimi K2 Instruct wins on capability. The score weighs capability 50%, price 25%, inputs & features 15%, context window 10%.

Which is cheaper, Kimi K2 Instruct or Qwen3 30B-A3B Instruct 2507?

Qwen3 30B-A3B Instruct 2507 is cheaper at $0.10 input / $0.30 output per million tokens (median across 12 API providers). Kimi K2 Instruct costs $0.57 input / $2.30 output per million tokens (median across 11 API providers). At a typical mix of three input tokens to one output token, that is $0.15 per million tokens for Qwen3 30B-A3B Instruct 2507 versus $1.00 for Kimi K2 Instruct (6.7× as much).

Which scores higher on benchmarks?

Kimi K2 Instruct scores higher on the Capabilities Index (ECI): Kimi K2 Instruct 139.9 (#112 of 165) and Qwen3 30B-A3B Instruct 2507 137.3 (#124 of 165). The confidence ranges of the top two overlap (136.3–141.6 vs 131.7–139.4), so treat the gap as small.

Which is better for coding?

There are no published SWE-bench Verified results for Kimi K2 Instruct and Qwen3 30B-A3B Instruct 2507 yet, so there is no like-for-like coding score. On overall capability, Kimi K2 Instruct leads, which tends to carry over to coding, but test on your own codebase. Both support tool calling for agent workflows.

Which has the bigger context window?

Qwen3 30B-A3B Instruct 2507 has the largest context window at 262,144 tokens, against 131,072 for Kimi K2 Instruct. Maximum output per response: Kimi K2 Instruct up to 32,768, Qwen3 30B-A3B Instruct 2507 up to 16,384 tokens.

Which can read images, PDFs, audio or video?

Kimi K2 Instruct accepts text; Qwen3 30B-A3B Instruct 2507 accepts text. They handle the same number of input types.

Are any of these open source?

Yes, both publish their weights (Modified MIT and Apache 2.0), so you can self-host them.

Which is newer?

Qwen3 30B-A3B Instruct 2507 is the newest, released Jul 28, 2025. Kimi K2 Instruct came out Jul 11, 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 Nov 2, 2026.

05 — Keep comparing

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