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Claude Mythos 5.2 vs Kimi K2.6

Claude Mythos 5.2 leads the LLM Stats Score 59.6 to 43.0. Kimi K2.6 is 11.1x cheaper per token.

Anthropic · Moonshot AI · Updated for 2026

Which is better?

Claude Mythos 5.2 leads the overall LLM Stats Score 59.6 to 43.0, ranking #2 overall.

On price, Kimi K2.6 is roughly 11.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Mythos 5.2 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

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

Choose Claude Mythos 5.2

  • overall performance matters — it scores 59.6 and ranks #2 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Nov 2026

Choose Kimi K2.6

  • cost matters — it's about 11.1x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude Mythos 5.2
Anthropic
Kimi K2.6
Moonshot AI
Core performance indexes
LLM Stats Score
59.6
#2
43.0
#64
Reasoning
53.6
#7
43.4
#58
Coding
44.6
#5
32.4
#50
Agents
44.1
#2
25.9
#74
Cost, coverage & limits
Benchmark wins
—
—
Input price
$8.00 / M
$0.75 / M
Output price
$40.00 / M
$3.50 / M
Context window
1,000,000
262,144

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Claude Mythos 5.2
Kimi K2.6
Vision
31.2#36
28.7#48
Tool use
38.5#1
21.2#74
Multimodal
31.1#35
31.0#36
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for Claude Mythos 5.2 · 28 for Kimi K2.6

No common benchmarks found

Claude Mythos 5.2 and Kimi K2.6don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Kimi K2.6 costs less

For input processing, Claude Mythos 5.2 ($8.00/1M tokens) is 10.7x more expensive than Kimi K2.6 ($0.75/1M tokens).

For output processing, Claude Mythos 5.2 ($40.00/1M tokens) is 11.4x more expensive than Kimi K2.6 ($3.50/1M tokens).

In conclusion, Claude Mythos 5.2 is more expensive than Kimi K2.6.*

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

Lowest available price from all providers
Thu Nov 12 2026 • llm-stats.com
Anthropic
Claude Mythos 5.2
Input tokens$8.00
Output tokens$40.00
Best providerAnthropic
Moonshot AI
Kimi K2.6
Input tokens$0.75
Output tokens$3.50
Best providerDeepinfra
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Claude Mythos 5.2 accepts 1,000,000 input tokens compared to Kimi K2.6's 262,144 tokens. Kimi K2.6 can generate longer responses up to 131,072 tokens, while Claude Mythos 5.2 is limited to 128,000 tokens.

Anthropic
Claude Mythos 5.2
Input1,000,000 tokens
Output128,000 tokens
Moonshot AI
Kimi K2.6
Input262,144 tokens
Output131,072 tokens
Thu Nov 12 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Mythos 5.2 and Kimi K2.6 support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude Mythos 5.2

Text
Images
Audio
Video

Kimi K2.6

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Mythos 5.2 is licensed under a proprietary license, while Kimi K2.6 uses Modified MIT License.

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

Claude Mythos 5.2

Proprietary

Closed source

Kimi K2.6

Modified MIT License

Open weights

Release Timeline

When each model was launched

Claude Mythos 5.2 was released on 2026-11-09, while Kimi K2.6 was released on 2026-04-20.

Claude Mythos 5.2 is 7 months newer than Kimi K2.6.

Claude Mythos 5.2

Nov 9, 2026

3 days ago

6mo newer
Kimi K2.6

Apr 20, 2026

6 months ago

Knowledge Cutoff

When training data ends

Claude Mythos 5.2 has a documented knowledge cutoff of 2026-06-01, while Kimi K2.6's cutoff date is not specified.

We can confirm Claude Mythos 5.2's training data extends to 2026-06-01, but cannot make a direct comparison without Kimi K2.6's cutoff date.

Claude Mythos 5.2

Jun 2026

Kimi K2.6

—

Provider Availability

Claude Mythos 5.2 is available from Anthropic. Kimi K2.6 is available from DeepInfra, Fireworks, Moonshot AI, Novita, Together.

Claude Mythos 5.2

anthropic logo
Anthropic
Input Price:Input: $8.00/1MOutput Price:Output: $40.00/1M

Kimi K2.6

deepinfra logo
Deepinfra
Input Price:Input: $0.75/1MOutput Price:Output: $3.50/1M
fireworks logo
Fireworks
Input Price:Input: $0.95/1MOutput Price:Output: $4.00/1M
moonshot logo
Unknown Organization
Input Price:Input: $0.95/1MOutput Price:Output: $4.00/1M
novita logo
Novita
Input Price:Input: $0.95/1MOutput Price:Output: $4.00/1M
together logo
Together
Input Price:Input: $1.20/1MOutput Price:Output: $4.50/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude Mythos 5.2 and Kimi K2.6 side-by-side, then vote on the output you prefer.

Claude Mythos 5.2
✓ Preferred
Kimi K2.6
Open in Playground

FAQ

Common questions about Claude Mythos 5.2 vs Kimi K2.6.

Which is better, Claude Mythos 5.2 or Kimi K2.6?

Claude Mythos 5.2 leads the LLM Stats Score 59.6 to 43.0. Claude Mythos 5.2 is made by Anthropic and Kimi K2.6 is made by Moonshot AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude Mythos 5.2 compare to Kimi K2.6 in benchmarks?

Claude Mythos 5.2 scores De novo protein binder design: 85.1%, Biomedical image analysis: 80.7%, Protocols Troubleshooting: 77.1%, Terminal-Bench-Science 0.1: 75.3%, Terminal-Bench 4.0: 70.5%. Kimi K2.6 scores V*: 96.9%, AIME 2026: 96.4%, MathVision: 93.2%, HMMT Feb 26: 92.7%, GPQA: 90.5%.

Is Claude Mythos 5.2 cheaper than Kimi K2.6?

Kimi K2.6 is 10.7x cheaper for input tokens. Claude Mythos 5.2 costs $8.00/M input and $40.00/M output via anthropic. Kimi K2.6 costs $0.75/M input and $3.50/M output via deepinfra.

What are the context window sizes for Claude Mythos 5.2 and Kimi K2.6?

Claude Mythos 5.2 supports 1.0M tokens and Kimi K2.6 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 Claude Mythos 5.2 and Kimi K2.6?

Key differences include LLM Stats Score (59.6 vs 43.0), context window (1.0M vs 262K), input pricing ($8.00 vs $0.75/M), licensing (Proprietary vs Modified MIT License). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Mythos 5.2 and Kimi K2.6?

Claude Mythos 5.2 is developed by Anthropic and Kimi K2.6 is developed by Moonshot AI.

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