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Claude Mythos Preview vs MiMo-V2.6-Flash

Claude Mythos Preview leads the LLM Stats Score 54.3 to 45.7. MiMo-V2.6-Flash is 285.7x cheaper per token.

Anthropic · Xiaomi · Updated for 2026

Which is better?

Claude Mythos Preview leads the overall LLM Stats Score 54.3 to 45.7, ranking #6 overall.

In the 2 individual benchmarks reported for both models, MiMo-V2.6-Flash wins 2; this is a narrower head-to-head signal than the composite indexes.

On price, MiMo-V2.6-Flash is roughly 285.7x 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 Preview

  • overall performance matters — it scores 54.3 and ranks #6 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes

Choose MiMo-V2.6-Flash

  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results
  • cost matters — it's about 285.7x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude Mythos Preview
Anthropic
MiMo-V2.6-Flash
Xiaomi
Core performance indexes
LLM Stats Score
54.3
#6
45.7
#31
Reasoning
55.2
#3
43.1
#45
Coding
43.7
#5
36.3
#22
Agents
35.7
#20
33.0
#28
Cost, coverage & limits
Benchmark wins
0 of 2
2 of 2
Input price
$25.00 / M
$0.14 / M
Output price
$125.00 / M
$0.28 / M
Context window
—
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Claude Mythos Preview
MiMo-V2.6-Flash
Safety
16.3#10
14.6#14
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

16 reported for Claude Mythos Preview · 16 for MiMo-V2.6-Flash

2 shared

Claude Mythos Preview outperforms in 0 benchmarks, while MiMo-V2.6-Flash is better at 2 benchmarks (CyberGym, OSWorld-Verified).

MiMo-V2.6-Flash significantly outperforms across most benchmarks.

Wed Sep 23 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

MiMo-V2.6-Flash costs less

For input processing, Claude Mythos Preview ($25.00/1M tokens) is 178.6x more expensive than MiMo-V2.6-Flash ($0.14/1M tokens).

For output processing, Claude Mythos Preview ($125.00/1M tokens) is 446.4x more expensive than MiMo-V2.6-Flash ($0.28/1M tokens).

In conclusion, Claude Mythos Preview is more expensive than MiMo-V2.6-Flash.*

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

Lowest available price from all providers
Wed Sep 23 2026 • llm-stats.com
Anthropic
Claude Mythos Preview
Input tokens$25.00
Output tokens$125.00
Best providerAnthropic
Xiaomi
MiMo-V2.6-Flash
Input tokens$0.14
Output tokens$0.28
Best providerXiaomi
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Only MiMo-V2.6-Flash specifies input context (1,048,576 tokens).

Anthropic
Claude Mythos Preview
Input- tokens
Output- tokens
Xiaomi
MiMo-V2.6-Flash
Input1,048,576 tokens
Output- tokens
Wed Sep 23 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Mythos Preview and MiMo-V2.6-Flash support multimodal inputs.

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

Claude Mythos Preview

Text
Images
Audio
Video

MiMo-V2.6-Flash

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Mythos Preview is licensed under a proprietary license, while MiMo-V2.6-Flash uses MIT.

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

Claude Mythos Preview

Proprietary

Closed source

MiMo-V2.6-Flash

MIT

Open weights

Release Timeline

When each model was launched

MiMo-V2.6-Flash was released on 2026-09-22, while Claude Mythos Preview's release date is not specified.

We can confirm MiMo-V2.6-Flash's release timeline, but cannot make a direct age comparison without Claude Mythos Preview's release date.

Claude Mythos Preview

—

MiMo-V2.6-Flash

Sep 22, 2026

0 days 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 Preview is available from Anthropic. MiMo-V2.6-Flash is available from Xiaomi.

Claude Mythos Preview

anthropic logo
Anthropic
Input Price:Input: $25.00/1MOutput Price:Output: $125.00/1M

MiMo-V2.6-Flash

xiaomi logo
Xiaomi
Input Price:Input: $0.14/1MOutput Price:Output: $0.28/1M
* 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 Preview and MiMo-V2.6-Flash side-by-side, then vote on the output you prefer.

Claude Mythos Preview
✓ Preferred
MiMo-V2.6-Flash
Open in Playground

FAQ

Common questions about Claude Mythos Preview vs MiMo-V2.6-Flash.

Which is better, Claude Mythos Preview or MiMo-V2.6-Flash?

Claude Mythos Preview leads the LLM Stats Score 54.3 to 45.7. Claude Mythos Preview is made by Anthropic and MiMo-V2.6-Flash 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 Preview compare to MiMo-V2.6-Flash in benchmarks?

Claude Mythos Preview scores CyBench: 100.0%, USAMO25: 97.6%, GPQA: 94.6%, SWE-Bench Verified: 93.9%, CharXiv-R: 93.2%. MiMo-V2.6-Flash scores CyberGym: 95.1%, Terminal-Bench 2.1: 87.6%, OSWorld-Verified: 80.8%, MiMo Cyber Bench: 77.2%, Toolathlon-Verified: 73.6%.

Is Claude Mythos Preview cheaper than MiMo-V2.6-Flash?

MiMo-V2.6-Flash is 178.6x cheaper for input tokens. Claude Mythos Preview costs $25.00/M input and $125.00/M output via anthropic. MiMo-V2.6-Flash costs $0.14/M input and $0.28/M output via xiaomi.

What are the context window sizes for Claude Mythos Preview and MiMo-V2.6-Flash?

Claude Mythos Preview supports an unknown number of tokens and MiMo-V2.6-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 Preview and MiMo-V2.6-Flash?

Key differences include LLM Stats Score (54.3 vs 45.7), input pricing ($25.00 vs $0.14/M), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Mythos Preview and MiMo-V2.6-Flash?

Claude Mythos Preview is developed by Anthropic and MiMo-V2.6-Flash is developed by Xiaomi.

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