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Claude Mythos 5.2 vs Grok-3 Mini

Claude Mythos 5.2 leads the LLM Stats Score 59.6 to 30.6. Grok-3 Mini is 45.7x cheaper per token.

Anthropic · xAI · Updated for 2026

Which is better?

Claude Mythos 5.2 leads the overall LLM Stats Score 59.6 to 30.6, ranking #2 overall.

On price, Grok-3 Mini is roughly 45.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Mythos 5.2 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 5.2

  • 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 process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Nov 2026

Choose Grok-3 Mini

  • cost matters — it's about 45.7x cheaper per token

At a glance

The differences that matter most.

Claude Mythos 5.2
Anthropic
Grok-3 Mini
xAI
Core performance indexes
LLM Stats Score
59.6
#2
30.6
#147
Reasoning
53.3
#8
30.3
#145
Coding
45.1
#5
18.6
#141
Cost, coverage & limits
Benchmark wins
—
—
Input price
$8.00 / M
$0.30 / M
Output price
$40.00 / M
$0.50 / M
Context window
1,000,000
128,000

Individual benchmarks

9 reported for Claude Mythos 5.2 · 4 for Grok-3 Mini

No common benchmarks found

Claude Mythos 5.2 and Grok-3 Minidon'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

Grok-3 Mini costs less

For input processing, Claude Mythos 5.2 ($8.00/1M tokens) is 26.7x more expensive than Grok-3 Mini ($0.30/1M tokens).

For output processing, Claude Mythos 5.2 ($40.00/1M tokens) is 80.0x more expensive than Grok-3 Mini ($0.50/1M tokens).

In conclusion, Claude Mythos 5.2 is more expensive than Grok-3 Mini.*

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

Lowest available price from all providers
Tue Nov 10 2026 • llm-stats.com
Anthropic
Claude Mythos 5.2
Input tokens$8.00
Output tokens$40.00
Best providerAnthropic
xAI
Grok-3 Mini
Input tokens$0.30
Output tokens$0.50
Best providerxAI
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Claude Mythos 5.2 accepts 1,000,000 input tokens compared to Grok-3 Mini's 128,000 tokens. Claude Mythos 5.2 can generate longer responses up to 128,000 tokens, while Grok-3 Mini is limited to 8,000 tokens.

Anthropic
Claude Mythos 5.2
Input1,000,000 tokens
Output128,000 tokens
xAI
Grok-3 Mini
Input128,000 tokens
Output8,000 tokens
Tue Nov 10 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Mythos 5.2 and Grok-3 Mini 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

Grok-3 Mini

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

Grok-3 Mini

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Mythos 5.2 was released on 2026-11-09, while Grok-3 Mini was released on 2025-02-17.

Claude Mythos 5.2 is 21 months newer than Grok-3 Mini.

Claude Mythos 5.2

Nov 9, 2026

0 days ago

1.7yr newer
Grok-3 Mini

Feb 17, 2025

1.7 years ago

Knowledge Cutoff

When training data ends

Claude Mythos 5.2 has a knowledge cutoff of 2026-06-01, while Grok-3 Mini has a cutoff of 2024-11-17.

Claude Mythos 5.2 has more recent training data (up to 2026-06-01), making it potentially better informed about events through that date compared to Grok-3 Mini (2024-11-17).

Claude Mythos 5.2

Jun 2026

1.6 yr newer
Grok-3 Mini

Nov 2024

Provider Availability

Claude Mythos 5.2 is available from Anthropic. Grok-3 Mini is available from xAI.

Claude Mythos 5.2

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

Grok-3 Mini

xai logo
xAI
Input Price:Input: $0.30/1MOutput Price:Output: $0.50/1M
* 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 Grok-3 Mini side-by-side, then vote on the output you prefer.

Claude Mythos 5.2
✓ Preferred
Grok-3 Mini
Open in Playground

FAQ

Common questions about Claude Mythos 5.2 vs Grok-3 Mini.

Which is better, Claude Mythos 5.2 or Grok-3 Mini?

Claude Mythos 5.2 leads the LLM Stats Score 59.6 to 30.6. Claude Mythos 5.2 is made by Anthropic and Grok-3 Mini is made by xAI. 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 Grok-3 Mini 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%. Grok-3 Mini scores AIME 2024: 95.8%, AIME 2025: 90.8%, GPQA: 84.0%, LiveCodeBench: 80.4%.

Is Claude Mythos 5.2 cheaper than Grok-3 Mini?

Grok-3 Mini is 26.7x cheaper for input tokens. Claude Mythos 5.2 costs $8.00/M input and $40.00/M output via anthropic. Grok-3 Mini costs $0.30/M input and $0.50/M output via xai.

What are the context window sizes for Claude Mythos 5.2 and Grok-3 Mini?

Claude Mythos 5.2 supports 1.0M tokens and Grok-3 Mini supports 128K 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 Grok-3 Mini?

Key differences include LLM Stats Score (59.6 vs 30.6), context window (1.0M vs 128K), input pricing ($8.00 vs $0.30/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Mythos 5.2 and Grok-3 Mini?

Claude Mythos 5.2 is developed by Anthropic and Grok-3 Mini is developed by xAI.

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