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Claude Mythos 5.1 vs MiMo-V2-Pro

Claude Mythos 5.1 leads the LLM Stats Score 45.1 to 35.8. MiMo-V2-Pro is 13.3x cheaper per token.

Anthropic · Xiaomi · Updated for 2026

Which is better?

Claude Mythos 5.1 leads the overall LLM Stats Score 45.1 to 35.8, ranking #31 overall.

On price, MiMo-V2-Pro is roughly 13.3x 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 5.1

  • overall performance matters — it scores 45.1 and ranks #31 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026

Choose MiMo-V2-Pro

  • cost matters — it's about 13.3x cheaper per token

At a glance

The differences that matter most.

Core performance indexes
45.1
#31
35.8
#80
44.4
#34
37.6
#64
37.5
#17
25.9
#66
34.5
#21
17.4
#72
Cost, coverage & limits
Benchmark wins
Input price
$10.00 / M
$1.00 / M
Output price
$50.00 / M
$3.00 / M
Context window
1,000,000
1,000,000

Individual benchmarks

1 reported for Claude Mythos 5.1 · 7 for MiMo-V2-Pro

No common benchmarks found

Claude Mythos 5.1 and MiMo-V2-Prodon'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

MiMo-V2-Pro costs less

For input processing, Claude Mythos 5.1 ($10.00/1M tokens) is 10.0x more expensive than MiMo-V2-Pro ($1.00/1M tokens).

For output processing, Claude Mythos 5.1 ($50.00/1M tokens) is 16.7x more expensive than MiMo-V2-Pro ($3.00/1M tokens).

In conclusion, Claude Mythos 5.1 is more expensive than MiMo-V2-Pro.*

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

Lowest available price from all providers
Tue Sep 08 2026 • llm-stats.com
Anthropic
Claude Mythos 5.1
Input tokens$10.00
Output tokens$50.00
Best providerAnthropic
Xiaomi
MiMo-V2-Pro
Input tokens$1.00
Output tokens$3.00
Best providerXiaomi
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Both models have the same input context window of 1,000,000 tokens. Claude Mythos 5.1 can generate longer responses up to 128,000 tokens, while MiMo-V2-Pro is limited to 16,384 tokens.

Anthropic
Claude Mythos 5.1
Input1,000,000 tokens
Output128,000 tokens
Xiaomi
MiMo-V2-Pro
Input1,000,000 tokens
Output16,384 tokens
Tue Sep 08 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude Mythos 5.1 supports multimodal inputs, whereas MiMo-V2-Pro 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

MiMo-V2-Pro

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 5.1

Proprietary

Closed source

MiMo-V2-Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Mythos 5.1 was released on 2026-09-01, while MiMo-V2-Pro was released on 2026-03-18.

Claude Mythos 5.1 is 6 months newer than MiMo-V2-Pro.

Claude Mythos 5.1

Sep 1, 2026

1 weeks ago

5mo newer
MiMo-V2-Pro

Mar 18, 2026

5 months 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. MiMo-V2-Pro is available from Xiaomi.

Claude Mythos 5.1

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

MiMo-V2-Pro

xiaomi logo
Xiaomi
Input Price:Input: $1.00/1MOutput Price:Output: $3.00/1M
* 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 MiMo-V2-Pro side-by-side, then vote on the output you prefer.

Claude Mythos 5.1
✓ Preferred
MiMo-V2-Pro
Open in Playground

FAQ

Common questions about Claude Mythos 5.1 vs MiMo-V2-Pro.

Which is better, Claude Mythos 5.1 or MiMo-V2-Pro?

Claude Mythos 5.1 leads the LLM Stats Score 45.1 to 35.8. Claude Mythos 5.1 is made by Anthropic and MiMo-V2-Pro is made by Xiaomi. 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 MiMo-V2-Pro in benchmarks?

Claude Mythos 5.1 scores Terminal-Bench 4.0: 60.9%. MiMo-V2-Pro scores Tau2 Telecom: 96.8%, DeepSearchQA: 86.7%, PinchBench: 81.0%, SWE-Bench Verified: 78.0%, SWE-bench Multilingual: 71.7%.

Is Claude Mythos 5.1 cheaper than MiMo-V2-Pro?

MiMo-V2-Pro is 10.0x cheaper for input tokens. Claude Mythos 5.1 costs $10.00/M input and $50.00/M output via anthropic. MiMo-V2-Pro costs $1.00/M input and $3.00/M output via xiaomi.

What are the context window sizes for Claude Mythos 5.1 and MiMo-V2-Pro?

Claude Mythos 5.1 supports 1.0M tokens and MiMo-V2-Pro 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 5.1 and MiMo-V2-Pro?

Key differences include LLM Stats Score (45.1 vs 35.8), input pricing ($10.00 vs $1.00/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Mythos 5.1 and MiMo-V2-Pro?

Claude Mythos 5.1 is developed by Anthropic and MiMo-V2-Pro is developed by Xiaomi.