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Claude Mythos 5.2 vs DeepSeek-V4-Pro-0813

Claude Mythos 5.2 leads the LLM Stats Score 59.6 to 49.3. DeepSeek-V4-Pro-0813 is 9.8x cheaper per token.

Anthropic · DeepSeek · Updated for 2026

Which is better?

Claude Mythos 5.2 leads the overall LLM Stats Score 59.6 to 49.3, ranking #2 overall.

On price, DeepSeek-V4-Pro-0813 is roughly 9.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

DeepSeek-V4-Pro-0813 also accepts a larger context window (1,048,576 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 agents — it leads those capability indexes
  • you want the most recent training data — it shipped Nov 2026

Choose DeepSeek-V4-Pro-0813

  • cost matters — it's about 9.8x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude Mythos 5.2
Anthropic
DeepSeek-V4-Pro-0813
DeepSeek
Core performance indexes
LLM Stats Score
59.6
#2
49.3
#25
Reasoning
53.3
#8
47.2
#28
Coding
45.1
#5
38.1
#27
Agents
44.6
#2
34.5
#31
Cost, coverage & limits
Benchmark wins
—
—
Input price
$8.00 / M
$1.30 / M
Output price
$40.00 / M
$2.60 / M
Context window
1,000,000
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Claude Mythos 5.2
DeepSeek-V4-Pro-0813
Tool use
38.0#1
27.7#31
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for Claude Mythos 5.2 · 12 for DeepSeek-V4-Pro-0813

No common benchmarks found

Claude Mythos 5.2 and DeepSeek-V4-Pro-0813don'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

DeepSeek-V4-Pro-0813 costs less

For input processing, Claude Mythos 5.2 ($8.00/1M tokens) is 6.2x more expensive than DeepSeek-V4-Pro-0813 ($1.30/1M tokens).

For output processing, Claude Mythos 5.2 ($40.00/1M tokens) is 15.4x more expensive than DeepSeek-V4-Pro-0813 ($2.60/1M tokens).

In conclusion, Claude Mythos 5.2 is more expensive than DeepSeek-V4-Pro-0813.*

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

Lowest available price from all providers
Wed Nov 11 2026 • llm-stats.com
Anthropic
Claude Mythos 5.2
Input tokens$8.00
Output tokens$40.00
Best providerAnthropic
DeepSeek
DeepSeek-V4-Pro-0813
Input tokens$1.30
Output tokens$2.60
Best providerDeepinfra
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

DeepSeek-V4-Pro-0813 accepts 1,048,576 input tokens compared to Claude Mythos 5.2's 1,000,000 tokens. DeepSeek-V4-Pro-0813 can generate longer responses up to 1,048,576 tokens, while Claude Mythos 5.2 is limited to 128,000 tokens.

Anthropic
Claude Mythos 5.2
Input1,000,000 tokens
Output128,000 tokens
DeepSeek
DeepSeek-V4-Pro-0813
Input1,048,576 tokens
Output1,048,576 tokens
Wed Nov 11 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude Mythos 5.2 supports multimodal inputs, whereas DeepSeek-V4-Pro-0813 does not.

Claude Mythos 5.2 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Mythos 5.2

Text
Images
Audio
Video

DeepSeek-V4-Pro-0813

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Mythos 5.2 is licensed under a proprietary license, while DeepSeek-V4-Pro-0813 uses MIT.

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

Claude Mythos 5.2

Proprietary

Closed source

DeepSeek-V4-Pro-0813

MIT

Open weights

Release Timeline

When each model was launched

Claude Mythos 5.2 was released on 2026-11-09, while DeepSeek-V4-Pro-0813 was released on 2026-08-13.

Claude Mythos 5.2 is 3 months newer than DeepSeek-V4-Pro-0813.

Claude Mythos 5.2

Nov 9, 2026

1 days ago

2mo newer
DeepSeek-V4-Pro-0813

Aug 13, 2026

2 months ago

Knowledge Cutoff

When training data ends

Claude Mythos 5.2 has a documented knowledge cutoff of 2026-06-01, while DeepSeek-V4-Pro-0813'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 DeepSeek-V4-Pro-0813's cutoff date.

Claude Mythos 5.2

Jun 2026

DeepSeek-V4-Pro-0813

—

Provider Availability

Claude Mythos 5.2 is available from Anthropic. DeepSeek-V4-Pro-0813 is available from DeepInfra, DeepSeek, Novita, Together.

Claude Mythos 5.2

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

DeepSeek-V4-Pro-0813

deepinfra logo
Deepinfra
Input Price:Input: $1.30/1MOutput Price:Output: $2.60/1M
deepseek logo
DeepSeek
Input Price:Input: $1.32/1MOutput Price:Output: $3.96/1M
novita logo
Novita
Input Price:Input: $1.32/1MOutput Price:Output: $3.96/1M
together logo
Together
Input Price:Input: $1.32/1MOutput Price:Output: $3.96/1M
* 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 DeepSeek-V4-Pro-0813 side-by-side, then vote on the output you prefer.

Claude Mythos 5.2
✓ Preferred
DeepSeek-V4-Pro-0813
Open in Playground

FAQ

Common questions about Claude Mythos 5.2 vs DeepSeek-V4-Pro-0813.

Which is better, Claude Mythos 5.2 or DeepSeek-V4-Pro-0813?

Claude Mythos 5.2 leads the LLM Stats Score 59.6 to 49.3. Claude Mythos 5.2 is made by Anthropic and DeepSeek-V4-Pro-0813 is made by DeepSeek. 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 DeepSeek-V4-Pro-0813 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%. DeepSeek-V4-Pro-0813 scores Terminal-Bench 2.1: 87.9%, CyberGym: 83.3%, Toolathlon: 74.1%, DSBench-FullStack: 71.1%, DSBench-Hard: 67.2%.

Is Claude Mythos 5.2 cheaper than DeepSeek-V4-Pro-0813?

DeepSeek-V4-Pro-0813 is 6.2x cheaper for input tokens. Claude Mythos 5.2 costs $8.00/M input and $40.00/M output via anthropic. DeepSeek-V4-Pro-0813 costs $1.30/M input and $2.60/M output via deepinfra.

What are the context window sizes for Claude Mythos 5.2 and DeepSeek-V4-Pro-0813?

Claude Mythos 5.2 supports 1.0M tokens and DeepSeek-V4-Pro-0813 supports 1.0M 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 DeepSeek-V4-Pro-0813?

Key differences include LLM Stats Score (59.6 vs 49.3), context window (1.0M vs 1.0M), input pricing ($8.00 vs $1.30/M), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Mythos 5.2 and DeepSeek-V4-Pro-0813?

Claude Mythos 5.2 is developed by Anthropic and DeepSeek-V4-Pro-0813 is developed by DeepSeek.

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