The AI arena is free today

Open Superagent

Claude Mythos 5.2 vs Nova Pro

Claude Mythos 5.2 leads the LLM Stats Score 59.6 to 11.7. Nova Pro is 11.4x cheaper per token.

Anthropic · Amazon · Updated for 2026

Which is better?

Claude Mythos 5.2 leads the overall LLM Stats Score 59.6 to 11.7, ranking #2 overall.

On price, Nova Pro is roughly 11.4x 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 Nova Pro

  • cost matters — it's about 11.4x cheaper per token

At a glance

The differences that matter most.

Core performance indexes
59.6
#2
11.7
#296
53.3
#8
11.3
#291
45.1
#5
10.0
#200
44.6
#2
10.1
#152
Cost, coverage & limits
Benchmark wins
—
—
Input price
$8.00 / M
$0.80 / M
Output price
$40.00 / M
$3.20 / M
Context window
1,000,000
300,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Claude Mythos 5.2
Nova Pro
31.5#33
5.4#181
31.7#29
8.1#153
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for Claude Mythos 5.2 · 27 for Nova Pro

No common benchmarks found

Claude Mythos 5.2 and Nova 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

Nova Pro costs less

For input processing, Claude Mythos 5.2 ($8.00/1M tokens) is 10.0x more expensive than Nova Pro ($0.80/1M tokens).

For output processing, Claude Mythos 5.2 ($40.00/1M tokens) is 12.5x more expensive than Nova Pro ($3.20/1M tokens).

In conclusion, Claude Mythos 5.2 is more expensive than Nova Pro.*

* 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
Amazon
Nova Pro
Input tokens$0.80
Output tokens$3.20
Best providerAWS Bedrock
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 Nova Pro's 300,000 tokens. Nova Pro can generate longer responses up to 300,000 tokens, while Claude Mythos 5.2 is limited to 128,000 tokens.

Anthropic
Claude Mythos 5.2
Input1,000,000 tokens
Output128,000 tokens
Amazon
Nova Pro
Input300,000 tokens
Output300,000 tokens
Tue Nov 10 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Mythos 5.2 and Nova Pro 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

Nova 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 5.2

Proprietary

Closed source

Nova Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Mythos 5.2 was released on 2026-11-09, while Nova Pro was released on 2024-11-20.

Claude Mythos 5.2 is 24 months newer than Nova Pro.

Claude Mythos 5.2

Nov 9, 2026

0 days ago

2.0yr newer
Nova Pro

Nov 20, 2024

2.0 years ago

Knowledge Cutoff

When training data ends

Claude Mythos 5.2 has a documented knowledge cutoff of 2026-06-01, while Nova Pro'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 Nova Pro's cutoff date.

Claude Mythos 5.2

Jun 2026

Nova Pro

—

Provider Availability

Claude Mythos 5.2 is available from Anthropic. Nova Pro is available from Bedrock.

Claude Mythos 5.2

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

Nova Pro

bedrock logo
AWS Bedrock
Input Price:Input: $0.80/1MOutput Price:Output: $3.20/1M
* 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 Nova Pro side-by-side, then vote on the output you prefer.

Claude Mythos 5.2
✓ Preferred
Nova Pro
Open in Playground

FAQ

Common questions about Claude Mythos 5.2 vs Nova Pro.

Which is better, Claude Mythos 5.2 or Nova Pro?

Claude Mythos 5.2 leads the LLM Stats Score 59.6 to 11.7. Claude Mythos 5.2 is made by Anthropic and Nova Pro is made by Amazon. 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 Nova Pro 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%. Nova Pro scores ARC-C: 94.8%, GSM8k: 94.8%, DocVQA: 93.5%, IFEval: 92.1%, ChartQA: 89.2%.

Is Claude Mythos 5.2 cheaper than Nova Pro?

Nova Pro is 10.0x cheaper for input tokens. Claude Mythos 5.2 costs $8.00/M input and $40.00/M output via anthropic. Nova Pro costs $0.80/M input and $3.20/M output via bedrock.

What are the context window sizes for Claude Mythos 5.2 and Nova Pro?

Claude Mythos 5.2 supports 1.0M tokens and Nova Pro supports 300K 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 Nova Pro?

Key differences include LLM Stats Score (59.6 vs 11.7), context window (1.0M vs 300K), input pricing ($8.00 vs $0.80/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Mythos 5.2 and Nova Pro?

Claude Mythos 5.2 is developed by Anthropic and Nova Pro is developed by Amazon.