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Claude Mythos 5.2 vs GPT-6 Cyber

Claude Mythos 5.2 leads the LLM Stats Score 59.6 to 41.0. Claude Mythos 5.2 is 2.5x cheaper per token.

Anthropic · OpenAI · Updated for 2026

Which is better?

Claude Mythos 5.2 leads the overall LLM Stats Score 59.6 to 41.0, ranking #2 overall.

On price, Claude Mythos 5.2 is roughly 2.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GPT-6 Cyber also accepts a larger context window (1,050,000 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
  • cost matters — it's about 2.5x cheaper per token
  • you want the most recent training data — it shipped Nov 2026

Choose GPT-6 Cyber

  • you process long inputs — it offers a 1,050,000 token context window

At a glance

The differences that matter most.

Claude Mythos 5.2
Anthropic
GPT-6 Cyber
OpenAI
Core performance indexes
LLM Stats Score
59.6
#2
41.0
#79
Coding
45.1
#5
33.5
#46
Agents
44.6
#2
31.2
#47
Cost, coverage & limits
Benchmark wins
—
—
Input price
$8.00 / M
$20.00 / M
Output price
$40.00 / M
$100.00 / M
Context window
1,000,000
1,050,000

Individual benchmarks

9 reported for Claude Mythos 5.2 · 1 for GPT-6 Cyber

No common benchmarks found

Claude Mythos 5.2 and GPT-6 Cyberdon'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

Claude Mythos 5.2 costs less

For input processing, Claude Mythos 5.2 ($8.00/1M tokens) is 2.5x cheaper than GPT-6 Cyber ($20.00/1M tokens).

For output processing, Claude Mythos 5.2 ($40.00/1M tokens) is 2.5x cheaper than GPT-6 Cyber ($100.00/1M tokens).

In conclusion, GPT-6 Cyber is more expensive than Claude Mythos 5.2.*

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

Lowest available price from all providers
Mon Nov 09 2026 • llm-stats.com
Anthropic
Claude Mythos 5.2
Input tokens$8.00
Output tokens$40.00
Best providerAnthropic
OpenAI
GPT-6 Cyber
Input tokens$20.00
Output tokens$100.00
Best providerOpenAI
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

GPT-6 Cyber accepts 1,050,000 input tokens compared to Claude Mythos 5.2's 1,000,000 tokens. Both models can generate responses up to 128,000 tokens.

Anthropic
Claude Mythos 5.2
Input1,000,000 tokens
Output128,000 tokens
OpenAI
GPT-6 Cyber
Input1,050,000 tokens
Output128,000 tokens
Mon Nov 09 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Mythos 5.2 and GPT-6 Cyber 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-6 Cyber

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-6 Cyber

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Mythos 5.2 was released on 2026-11-09, while GPT-6 Cyber was released on 2026-11-05.

Claude Mythos 5.2 is 0 month newer than GPT-6 Cyber.

Claude Mythos 5.2

Nov 9, 2026

0 days ago

4d newer
GPT-6 Cyber

Nov 5, 2026

4 days ago

Knowledge Cutoff

When training data ends

Claude Mythos 5.2 has a documented knowledge cutoff of 2026-06-01, while GPT-6 Cyber's cutoff date is not specified.

We can confirm Claude Mythos 5.2's training data extends to 2026-06-01, but cannot make a direct comparison without GPT-6 Cyber's cutoff date.

Claude Mythos 5.2

Jun 2026

GPT-6 Cyber

—

Provider Availability

Claude Mythos 5.2 is available from Anthropic. GPT-6 Cyber is available from OpenAI.

Claude Mythos 5.2

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

GPT-6 Cyber

openai logo
OpenAI
Input Price:Input: $20.00/1MOutput Price:Output: $100.00/1M
* 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-6 Cyber side-by-side, then vote on the output you prefer.

Claude Mythos 5.2
✓ Preferred
GPT-6 Cyber
Open in Playground

FAQ

Common questions about Claude Mythos 5.2 vs GPT-6 Cyber.

Which is better, Claude Mythos 5.2 or GPT-6 Cyber?

Claude Mythos 5.2 leads the LLM Stats Score 59.6 to 41.0. Claude Mythos 5.2 is made by Anthropic and GPT-6 Cyber 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-6 Cyber 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-6 Cyber scores ExploitGym: 48.5%.

Is Claude Mythos 5.2 cheaper than GPT-6 Cyber?

Claude Mythos 5.2 is 2.5x cheaper for input tokens. Claude Mythos 5.2 costs $8.00/M input and $40.00/M output via anthropic. GPT-6 Cyber costs $20.00/M input and $100.00/M output via openai.

What are the context window sizes for Claude Mythos 5.2 and GPT-6 Cyber?

Claude Mythos 5.2 supports 1.0M tokens and GPT-6 Cyber supports 1.1M 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-6 Cyber?

Key differences include LLM Stats Score (59.6 vs 41.0), context window (1.0M vs 1.1M), input pricing ($8.00 vs $20.00/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Mythos 5.2 and GPT-6 Cyber?

Claude Mythos 5.2 is developed by Anthropic and GPT-6 Cyber is developed by OpenAI.

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