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Claude Mythos 5.2 vs Qwen3.8 Flash

Claude Mythos 5.2 leads the LLM Stats Score 59.6 to 47.4. Qwen3.8 Flash is 69.6x cheaper per token.

Anthropic · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

Claude Mythos 5.2 leads the overall LLM Stats Score 59.6 to 47.4, ranking #2 overall.

On price, Qwen3.8 Flash is roughly 69.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

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 want the most recent training data — it shipped Nov 2026

Choose Qwen3.8 Flash

  • cost matters — it's about 69.6x cheaper per token

At a glance

The differences that matter most.

Claude Mythos 5.2
Anthropic
Qwen3.8 Flash
Alibaba Cloud / Qwen Team
Core performance indexes
LLM Stats Score
59.6
#2
47.4
#38
Reasoning
53.6
#7
47.9
#28
Coding
44.6
#5
31.8
#55
Agents
44.1
#2
31.5
#47
Cost, coverage & limits
Benchmark wins
—
—
Input price
$8.00 / M
$0.15 / M
Output price
$40.00 / M
$0.47 / M
Context window
1,000,000
1,000,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Claude Mythos 5.2
Qwen3.8 Flash
Vision
31.2#36
33.7#20
Tool use
38.5#1
29.7#20
Multimodal
31.1#35
34.7#16
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for Claude Mythos 5.2 · 22 for Qwen3.8 Flash

No common benchmarks found

Claude Mythos 5.2 and Qwen3.8 Flashdon'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

Qwen3.8 Flash costs less

For input processing, Claude Mythos 5.2 ($8.00/1M tokens) is 53.3x more expensive than Qwen3.8 Flash ($0.15/1M tokens).

For output processing, Claude Mythos 5.2 ($40.00/1M tokens) is 85.1x more expensive than Qwen3.8 Flash ($0.47/1M tokens).

In conclusion, Claude Mythos 5.2 is more expensive than Qwen3.8 Flash.*

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

Lowest available price from all providers
Sun Nov 15 2026 • llm-stats.com
Anthropic
Claude Mythos 5.2
Input tokens$8.00
Output tokens$40.00
Best providerAnthropic
Alibaba Cloud / Qwen Team
Qwen3.8 Flash
Input tokens$0.15
Output tokens$0.47
Best providerNovita
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Both models have the same input context window of 1,000,000 tokens. Qwen3.8 Flash 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
Alibaba Cloud / Qwen Team
Qwen3.8 Flash
Input1,000,000 tokens
Output131,072 tokens
Sun Nov 15 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Mythos 5.2 and Qwen3.8 Flash 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

Qwen3.8 Flash

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude Mythos 5.2

Proprietary

Closed source

Qwen3.8 Flash

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Mythos 5.2 was released on 2026-11-09, while Qwen3.8 Flash was released on 2026-08-26.

Claude Mythos 5.2 is 3 months newer than Qwen3.8 Flash.

Claude Mythos 5.2

Nov 9, 2026

3 days ago

2mo newer
Qwen3.8 Flash

Aug 26, 2026

2 months ago

Knowledge Cutoff

When training data ends

Claude Mythos 5.2 has a documented knowledge cutoff of 2026-06-01, while Qwen3.8 Flash'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 Qwen3.8 Flash's cutoff date.

Claude Mythos 5.2

Jun 2026

Qwen3.8 Flash

—

Provider Availability

Claude Mythos 5.2 is available from Anthropic. Qwen3.8 Flash is available from Novita.

Claude Mythos 5.2

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

Qwen3.8 Flash

novita logo
Novita
Input Price:Input: $0.15/1MOutput Price:Output: $0.47/1M
* 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 Qwen3.8 Flash side-by-side, then vote on the output you prefer.

Claude Mythos 5.2
✓ Preferred
Qwen3.8 Flash
Open in Playground

FAQ

Common questions about Claude Mythos 5.2 vs Qwen3.8 Flash.

Which is better, Claude Mythos 5.2 or Qwen3.8 Flash?

Claude Mythos 5.2 leads the LLM Stats Score 59.6 to 47.4. Claude Mythos 5.2 is made by Anthropic and Qwen3.8 Flash 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 Claude Mythos 5.2 compare to Qwen3.8 Flash 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%. Qwen3.8 Flash scores MathVision: 95.7%, LiveCodeBench v6: 91.9%, GPQA: 91.7%, CharXiv-R: 90.6%, RealWorldQA: 88.5%.

Is Claude Mythos 5.2 cheaper than Qwen3.8 Flash?

Qwen3.8 Flash is 53.3x cheaper for input tokens. Claude Mythos 5.2 costs $8.00/M input and $40.00/M output via anthropic. Qwen3.8 Flash costs $0.15/M input and $0.47/M output via novita.

What are the context window sizes for Claude Mythos 5.2 and Qwen3.8 Flash?

Claude Mythos 5.2 supports 1.0M tokens and Qwen3.8 Flash 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 Qwen3.8 Flash?

Key differences include LLM Stats Score (59.6 vs 47.4), input pricing ($8.00 vs $0.15/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Mythos 5.2 and Qwen3.8 Flash?

Claude Mythos 5.2 is developed by Anthropic and Qwen3.8 Flash is developed by Alibaba Cloud / Qwen Team.

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