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Claude Mythos 5.2 vs GPT-4o mini

Claude Mythos 5.2 leads the LLM Stats Score 59.6 to 3.1. GPT-4o mini is 61.0x cheaper per token.

Anthropic · OpenAI · Updated for 2026

Which is better?

Claude Mythos 5.2 leads the overall LLM Stats Score 59.6 to 3.1, ranking #2 overall.

On price, GPT-4o mini is roughly 61.0x 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 GPT-4o mini

  • cost matters — it's about 61.0x cheaper per token

At a glance

The differences that matter most.

Claude Mythos 5.2
Anthropic
GPT-4o mini
OpenAI
Core performance indexes
LLM Stats Score
59.6
#2
3.1
#352
Reasoning
53.3
#8
3.5
#340
Coding
45.1
#5
-1.0
#284
Cost, coverage & limits
Benchmark wins
—
—
Input price
$8.00 / M
$0.15 / M
Output price
$40.00 / M
$0.60 / M
Context window
1,000,000
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Claude Mythos 5.2
GPT-4o mini
Vision
31.5#33
-0.7#218
Multimodal
31.7#29
2.2#174
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for Claude Mythos 5.2 · 9 for GPT-4o mini

No common benchmarks found

Claude Mythos 5.2 and GPT-4o 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

GPT-4o mini costs less

For input processing, Claude Mythos 5.2 ($8.00/1M tokens) is 53.3x more expensive than GPT-4o mini ($0.15/1M tokens).

For output processing, Claude Mythos 5.2 ($40.00/1M tokens) is 66.7x more expensive than GPT-4o mini ($0.60/1M tokens).

In conclusion, Claude Mythos 5.2 is more expensive than GPT-4o 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
OpenAI
GPT-4o mini
Input tokens$0.15
Output tokens$0.60
Best providerAzure
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 GPT-4o mini's 128,000 tokens. Claude Mythos 5.2 can generate longer responses up to 128,000 tokens, while GPT-4o mini is limited to 16,384 tokens.

Anthropic
Claude Mythos 5.2
Input1,000,000 tokens
Output128,000 tokens
OpenAI
GPT-4o mini
Input128,000 tokens
Output16,384 tokens
Tue Nov 10 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Mythos 5.2 and GPT-4o 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

GPT-4o 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

GPT-4o mini

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Mythos 5.2 was released on 2026-11-09, while GPT-4o mini was released on 2024-07-18.

Claude Mythos 5.2 is 28 months newer than GPT-4o mini.

Claude Mythos 5.2

Nov 9, 2026

0 days ago

2.3yr newer
GPT-4o mini

Jul 18, 2024

2.3 years ago

Knowledge Cutoff

When training data ends

Claude Mythos 5.2 has a knowledge cutoff of 2026-06-01, while GPT-4o mini has a cutoff of 2023-10-01.

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 GPT-4o mini (2023-10-01).

Claude Mythos 5.2

Jun 2026

2.7 yr newer
GPT-4o mini

Oct 2023

Provider Availability

Claude Mythos 5.2 is available from Anthropic. GPT-4o mini is available from Azure.

Claude Mythos 5.2

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

GPT-4o mini

azure logo
Azure
Input Price:Input: $0.15/1MOutput Price:Output: $0.60/1M
* 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 GPT-4o mini side-by-side, then vote on the output you prefer.

Claude Mythos 5.2
✓ Preferred
GPT-4o mini
Open in Playground

FAQ

Common questions about Claude Mythos 5.2 vs GPT-4o mini.

Which is better, Claude Mythos 5.2 or GPT-4o mini?

Claude Mythos 5.2 leads the LLM Stats Score 59.6 to 3.1. Claude Mythos 5.2 is made by Anthropic and GPT-4o mini is made by OpenAI. 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 GPT-4o 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%. GPT-4o mini scores HumanEval: 87.2%, MGSM: 87.0%, MMLU: 82.0%, DROP: 79.7%, MATH: 70.2%.

Is Claude Mythos 5.2 cheaper than GPT-4o mini?

GPT-4o mini is 53.3x cheaper for input tokens. Claude Mythos 5.2 costs $8.00/M input and $40.00/M output via anthropic. GPT-4o mini costs $0.15/M input and $0.60/M output via azure.

What are the context window sizes for Claude Mythos 5.2 and GPT-4o mini?

Claude Mythos 5.2 supports 1.0M tokens and GPT-4o 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 GPT-4o mini?

Key differences include LLM Stats Score (59.6 vs 3.1), context window (1.0M vs 128K), 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 GPT-4o mini?

Claude Mythos 5.2 is developed by Anthropic and GPT-4o mini is developed by OpenAI.

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