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Kimi K2-Thinking-0905 vs Qwen3.5-122B-A10B

Kimi K2-Thinking-0905 and Qwen3.5-122B-A10B are closely matched at 35.5 and 34.7 on the LLM Stats Score. Qwen3.5-122B-A10B is 1.0x cheaper per token.

Moonshot AI · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

Kimi K2-Thinking-0905 and Qwen3.5-122B-A10B are closely matched on the overall LLM Stats Score at 35.5 and 34.7.

In the 11 individual benchmarks reported for both models, Kimi K2-Thinking-0905 wins 6; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Kimi K2-Thinking-0905

  • you value its reported benchmark strengths — it wins 6 of 11 exact shared results

Choose Qwen3.5-122B-A10B

  • you want the most recent training data — it shipped Feb 2026

At a glance

The differences that matter most.

Core performance indexes
35.5
#104
34.7
#111
35.8
#97
35.1
#100
20.1
#117
20.2
#116
15.6
#104
15.4
#106
Cost, coverage & limits
Benchmark wins
6 of 11
5 of 11
Input price
$0.47 / M
$0.29 / M
Output price
$2.00 / M
$2.40 / M
Context window
262,144
262,144

Capability indexes

Additional strengths measured across groups of related public benchmarks

4 shared
Index
Kimi K2-Thinking-0905
Qwen3.5-122B-A10B
37.7#30
36.1#41
15.7#40
15.3#41
19.2#91
35.1#8
18.5#83
35.1#7
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

21 reported for Kimi K2-Thinking-0905 · 81 for Qwen3.5-122B-A10B

11 shared

Kimi K2-Thinking-0905 outperforms in 6 benchmarks (HMMT 2025, Humanity's Last Exam, LiveCodeBench v6, MMLU-Redux, OJBench, Seal-0), while Qwen3.5-122B-A10B is better at 5 benchmarks (BrowseComp, BrowseComp-zh, GPQA, MMLU-Pro, SWE-Bench Verified).

Kimi K2-Thinking-0905 has a slight edge in benchmark performance.

Mon Oct 26 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Qwen3.5-122B-A10B costs less

For input processing, Kimi K2-Thinking-0905 ($0.47/1M tokens) is 1.6x more expensive than Qwen3.5-122B-A10B ($0.29/1M tokens).

For output processing, Kimi K2-Thinking-0905 ($2.00/1M tokens) is 1.2x cheaper than Qwen3.5-122B-A10B ($2.40/1M tokens).

In conclusion, Kimi K2-Thinking-0905 is more expensive than Qwen3.5-122B-A10B.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Mon Oct 26 2026 • llm-stats.com
Moonshot AI
Kimi K2-Thinking-0905
Input tokens$0.47
Output tokens$2.00
Best providerDeepinfra
Alibaba Cloud / Qwen Team
Qwen3.5-122B-A10B
Input tokens$0.29
Output tokens$2.40
Best providerDeepinfra
Notice missing or incorrect data?

Model Size

Parameter count comparison

878.0B diff

Kimi K2-Thinking-0905 has 878.0B more parameters than Qwen3.5-122B-A10B, making it 719.7% larger.

Moonshot AI
Kimi K2-Thinking-0905
1.0Tparameters
Alibaba Cloud / Qwen Team
Qwen3.5-122B-A10B
122.0Bparameters
1000.0B
Kimi K2-Thinking-0905
122.0B
Qwen3.5-122B-A10B

Context Window

Maximum input and output token capacity

Both models have the same input context window of 262,144 tokens. Both models can generate responses up to 262,144 tokens.

Moonshot AI
Kimi K2-Thinking-0905
Input262,144 tokens
Output262,144 tokens
Alibaba Cloud / Qwen Team
Qwen3.5-122B-A10B
Input262,144 tokens
Output262,144 tokens
Mon Oct 26 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Qwen3.5-122B-A10B supports multimodal inputs, whereas Kimi K2-Thinking-0905 does not.

Qwen3.5-122B-A10B can handle both text and other forms of data like images, making it suitable for multimodal applications.

Kimi K2-Thinking-0905

Text
Images
Audio
Video

Qwen3.5-122B-A10B

Text
Images
Audio
Video

License

Usage and distribution terms

Kimi K2-Thinking-0905 is licensed under MIT, while Qwen3.5-122B-A10B uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

Kimi K2-Thinking-0905

MIT

Open weights

Qwen3.5-122B-A10B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Kimi K2-Thinking-0905 was released on 2025-09-05, while Qwen3.5-122B-A10B was released on 2026-02-24.

Qwen3.5-122B-A10B is 6 months newer than Kimi K2-Thinking-0905.

Kimi K2-Thinking-0905

Sep 5, 2025

1.1 years ago

Qwen3.5-122B-A10B

Feb 24, 2026

8 months ago

5mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Kimi K2-Thinking-0905 is available from DeepInfra, Novita, Fireworks. Qwen3.5-122B-A10B is available from DeepInfra, Novita.

Kimi K2-Thinking-0905

deepinfra logo
Deepinfra
Input Price:Input: $0.47/1MOutput Price:Output: $2.00/1M
novita logo
Novita
Input Price:Input: $0.48/1MOutput Price:Output: $2.00/1M
fireworks logo
Fireworks
Input Price:Input: $0.60/1MOutput Price:Output: $2.50/1M

Qwen3.5-122B-A10B

deepinfra logo
Deepinfra
Input Price:Input: $0.29/1MOutput Price:Output: $2.40/1M
novita logo
Novita
Input Price:Input: $0.40/1MOutput Price:Output: $3.20/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Kimi K2-Thinking-0905 and Qwen3.5-122B-A10B side-by-side, then vote on the output you prefer.

Kimi K2-Thinking-0905
✓ Preferred
Qwen3.5-122B-A10B
Open in Playground

FAQ

Common questions about Kimi K2-Thinking-0905 vs Qwen3.5-122B-A10B.

Which is better, Kimi K2-Thinking-0905 or Qwen3.5-122B-A10B?

Kimi K2-Thinking-0905 and Qwen3.5-122B-A10B are closely matched on the LLM Stats Score at 35.5 and 34.7. Kimi K2-Thinking-0905 is made by Moonshot AI and Qwen3.5-122B-A10B is made by Alibaba Cloud / Qwen Team. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Kimi K2-Thinking-0905 compare to Qwen3.5-122B-A10B in benchmarks?

Kimi K2-Thinking-0905 scores AIME 2025: 100.0%, HMMT 2025: 97.5%, MMLU-Redux: 94.4%, FRAMES: 87.0%, MMLU-Pro: 84.6%. Qwen3.5-122B-A10B scores CountBench: 97.0%, VLMsAreBlind: 96.7%, MMLU-Redux: 94.0%, IFEval: 93.4%, AI2D: 93.3%.

Is Kimi K2-Thinking-0905 cheaper than Qwen3.5-122B-A10B?

Qwen3.5-122B-A10B is 1.6x cheaper for input tokens. Kimi K2-Thinking-0905 costs $0.47/M input and $2.00/M output via deepinfra. Qwen3.5-122B-A10B costs $0.29/M input and $2.40/M output via deepinfra.

What are the context window sizes for Kimi K2-Thinking-0905 and Qwen3.5-122B-A10B?

Kimi K2-Thinking-0905 supports 262K tokens and Qwen3.5-122B-A10B supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Kimi K2-Thinking-0905 and Qwen3.5-122B-A10B?

Key differences include LLM Stats Score (35.5 vs 34.7), input pricing ($0.47 vs $0.29/M), multimodal support (no vs yes), licensing (MIT vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Kimi K2-Thinking-0905 and Qwen3.5-122B-A10B?

Kimi K2-Thinking-0905 is developed by Moonshot AI and Qwen3.5-122B-A10B is developed by Alibaba Cloud / Qwen Team.