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Claude Mythos 5.1 vs Qwen3-Coder 480B A35B Instruct

Claude Mythos 5.1 leads the LLM Stats Score 45.1 to 21.1. Qwen3-Coder 480B A35B Instruct is 42.1x cheaper per token.

Anthropic · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

Claude Mythos 5.1 leads the overall LLM Stats Score 45.1 to 21.1, ranking #33 overall.

On price, Qwen3-Coder 480B A35B Instruct is roughly 42.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Mythos 5.1 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 5.1

  • overall performance matters — it scores 45.1 and ranks #33 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 Sep 2026

Choose Qwen3-Coder 480B A35B Instruct

  • cost matters — it's about 42.1x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude Mythos 5.1
Anthropic
Qwen3-Coder 480B A35B Instruct
Alibaba Cloud / Qwen Team
Core performance indexes
LLM Stats Score
45.1
#33
21.1
#189
Reasoning
44.2
#36
21.1
#182
Coding
37.9
#17
12.3
#149
Agents
34.6
#23
5.3
#146
Cost, coverage & limits
Benchmark wins
—
—
Input price
$10.00 / M
$0.30 / M
Output price
$50.00 / M
$1.00 / M
Context window
1,000,000
262,144

Individual benchmarks

1 reported for Claude Mythos 5.1 · 10 for Qwen3-Coder 480B A35B Instruct

No common benchmarks found

Claude Mythos 5.1 and Qwen3-Coder 480B A35B Instructdon'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-Coder 480B A35B Instruct costs less

For input processing, Claude Mythos 5.1 ($10.00/1M tokens) is 33.3x more expensive than Qwen3-Coder 480B A35B Instruct ($0.30/1M tokens).

For output processing, Claude Mythos 5.1 ($50.00/1M tokens) is 50.0x more expensive than Qwen3-Coder 480B A35B Instruct ($1.00/1M tokens).

In conclusion, Claude Mythos 5.1 is more expensive than Qwen3-Coder 480B A35B Instruct.*

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

Lowest available price from all providers
Sun Sep 20 2026 • llm-stats.com
Anthropic
Claude Mythos 5.1
Input tokens$10.00
Output tokens$50.00
Best providerAnthropic
Alibaba Cloud / Qwen Team
Qwen3-Coder 480B A35B Instruct
Input tokens$0.30
Output tokens$1.00
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude Mythos 5.1 accepts 1,000,000 input tokens compared to Qwen3-Coder 480B A35B Instruct's 262,144 tokens. Qwen3-Coder 480B A35B Instruct can generate longer responses up to 262,144 tokens, while Claude Mythos 5.1 is limited to 128,000 tokens.

Anthropic
Claude Mythos 5.1
Input1,000,000 tokens
Output128,000 tokens
Alibaba Cloud / Qwen Team
Qwen3-Coder 480B A35B Instruct
Input262,144 tokens
Output262,144 tokens
Sun Sep 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude Mythos 5.1 supports multimodal inputs, whereas Qwen3-Coder 480B A35B Instruct does not.

Claude Mythos 5.1 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Mythos 5.1

Text
Images
Audio
Video

Qwen3-Coder 480B A35B Instruct

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Mythos 5.1 is licensed under a proprietary license, while Qwen3-Coder 480B A35B Instruct uses Apache 2.0.

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

Claude Mythos 5.1

Proprietary

Closed source

Qwen3-Coder 480B A35B Instruct

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Mythos 5.1 was released on 2026-09-01, while Qwen3-Coder 480B A35B Instruct was released on 2025-01-31.

Claude Mythos 5.1 is 19 months newer than Qwen3-Coder 480B A35B Instruct.

Claude Mythos 5.1

Sep 1, 2026

2 weeks ago

1.6yr newer
Qwen3-Coder 480B A35B Instruct

Jan 31, 2025

1.6 years ago

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

Claude Mythos 5.1 is available from Anthropic. Qwen3-Coder 480B A35B Instruct is available from DeepInfra.

Claude Mythos 5.1

anthropic logo
Anthropic
Input Price:Input: $10.00/1MOutput Price:Output: $50.00/1M

Qwen3-Coder 480B A35B Instruct

deepinfra logo
Deepinfra
Input Price:Input: $0.30/1MOutput Price:Output: $1.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Claude Mythos 5.1 and Qwen3-Coder 480B A35B Instruct side-by-side, then vote on the output you prefer.

Claude Mythos 5.1
✓ Preferred
Qwen3-Coder 480B A35B Instruct
Open in Playground

FAQ

Common questions about Claude Mythos 5.1 vs Qwen3-Coder 480B A35B Instruct.

Which is better, Claude Mythos 5.1 or Qwen3-Coder 480B A35B Instruct?

Claude Mythos 5.1 leads the LLM Stats Score 45.1 to 21.1. Claude Mythos 5.1 is made by Anthropic and Qwen3-Coder 480B A35B Instruct 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 5.1 compare to Qwen3-Coder 480B A35B Instruct in benchmarks?

Claude Mythos 5.1 scores Terminal-Bench 4.0: 60.9%. Qwen3-Coder 480B A35B Instruct scores TAU-bench Retail: 77.5%, SWE-Bench Verified: 69.6%, BFCL-v3: 68.7%, Aider-Polyglot: 61.8%, TAU-bench Airline: 60.0%.

Is Claude Mythos 5.1 cheaper than Qwen3-Coder 480B A35B Instruct?

Qwen3-Coder 480B A35B Instruct is 33.3x cheaper for input tokens. Claude Mythos 5.1 costs $10.00/M input and $50.00/M output via anthropic. Qwen3-Coder 480B A35B Instruct costs $0.30/M input and $1.00/M output via deepinfra.

What are the context window sizes for Claude Mythos 5.1 and Qwen3-Coder 480B A35B Instruct?

Claude Mythos 5.1 supports 1.0M tokens and Qwen3-Coder 480B A35B Instruct 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 5.1 and Qwen3-Coder 480B A35B Instruct?

Key differences include LLM Stats Score (45.1 vs 21.1), context window (1.0M vs 262K), input pricing ($10.00 vs $0.30/M), multimodal support (yes vs no), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Mythos 5.1 and Qwen3-Coder 480B A35B Instruct?

Claude Mythos 5.1 is developed by Anthropic and Qwen3-Coder 480B A35B Instruct is developed by Alibaba Cloud / Qwen Team.

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