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Claude Mythos Preview vs Inkling 2 Small

Claude Mythos Preview leads the LLM Stats Score 53.8 to 47.2. Inkling 2 Small is 105.3x cheaper per token.

Anthropic · Thinking Machines Lab · Updated for 2026

Which is better?

Claude Mythos Preview leads the overall LLM Stats Score 53.8 to 47.2, ranking #8 overall.

In the 5 individual benchmarks reported for both models, Claude Mythos Preview wins 4; this is a narrower head-to-head signal than the composite indexes.

On price, Inkling 2 Small is roughly 105.3x 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 53.8 and ranks #8 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 4 of 5 exact shared results

Choose Inkling 2 Small

  • cost matters — it's about 105.3x cheaper per token

At a glance

The differences that matter most.

Claude Mythos Preview
Anthropic
Inkling 2 Small
Thinking Machines Lab
Core performance indexes
LLM Stats Score
53.8
#8
47.2
#40
Reasoning
54.7
#5
48.0
#26
Coding
42.7
#7
36.1
#32
Agents
35.2
#25
32.9
#39
Cost, coverage & limits
Benchmark wins
4 of 5
1 of 5
Input price
$25.00 / M
$0.30 / M
Output price
$125.00 / M
$1.00 / M
Context window
—
256,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Claude Mythos Preview
Inkling 2 Small
Vision
39.4#5
29.2#45
Multimodal
36.3#8
28.9#42
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

16 reported for Claude Mythos Preview · 11 for Inkling 2 Small

5 shared

Claude Mythos Preview outperforms in 4 benchmarks (CharXiv-R, GPQA, Humanity's Last Exam, SWE-Bench Verified), while Inkling 2 Small is better at 1 benchmark (BrowseComp).

Claude Mythos Preview significantly outperforms across most benchmarks.

Thu Nov 12 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Inkling 2 Small costs less

For input processing, Claude Mythos Preview ($25.00/1M tokens) is 83.3x more expensive than Inkling 2 Small ($0.30/1M tokens).

For output processing, Claude Mythos Preview ($125.00/1M tokens) is 125.0x more expensive than Inkling 2 Small ($1.00/1M tokens).

In conclusion, Claude Mythos Preview is more expensive than Inkling 2 Small.*

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

Lowest available price from all providers
Thu Nov 12 2026 • llm-stats.com
Anthropic
Claude Mythos Preview
Input tokens$25.00
Output tokens$125.00
Best providerAnthropic
Thinking Machines Lab
Inkling 2 Small
Input tokens$0.30
Output tokens$1.00
Best providerUnknown Organization
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Only Inkling 2 Small specifies input context (256,000 tokens).

Anthropic
Claude Mythos Preview
Input- tokens
Output- tokens
Thinking Machines Lab
Inkling 2 Small
Input256,000 tokens
Output- tokens
Thu Nov 12 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Mythos Preview and Inkling 2 Small support multimodal inputs.

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

Claude Mythos Preview

Text
Images
Audio
Video

Inkling 2 Small

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 Preview

Proprietary

Closed source

Inkling 2 Small

Proprietary

Closed source

Release Timeline

When each model was launched

Inkling 2 Small was released on 2026-11-05, while Claude Mythos Preview's release date is not specified.

We can confirm Inkling 2 Small's release timeline, but cannot make a direct age comparison without Claude Mythos Preview's release date.

Claude Mythos Preview

—

Inkling 2 Small

Nov 5, 2026

1 weeks 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. Inkling 2 Small is available from Thinking Machines Lab.

Claude Mythos Preview

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

Inkling 2 Small

thinking-machines logo
Unknown Organization
Input Price:Input: $0.30/1MOutput Price:Output: $1.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude Mythos Preview and Inkling 2 Small side-by-side, then vote on the output you prefer.

Claude Mythos Preview
✓ Preferred
Inkling 2 Small
Open in Playground

FAQ

Common questions about Claude Mythos Preview vs Inkling 2 Small.

Which is better, Claude Mythos Preview or Inkling 2 Small?

Claude Mythos Preview leads the LLM Stats Score 53.8 to 47.2. Claude Mythos Preview is made by Anthropic and Inkling 2 Small is made by Thinking Machines Lab. 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 Inkling 2 Small in benchmarks?

Claude Mythos Preview scores CyBench: 100.0%, USAMO25: 97.6%, GPQA: 94.6%, SWE-Bench Verified: 93.9%, CharXiv-R: 93.2%. Inkling 2 Small scores GPQA: 93.0%, BrowseComp: 90.2%, CharXiv-R: 85.6%, MCP Atlas: 85.0%, SWE-Bench Verified: 82.2%.

Is Claude Mythos Preview cheaper than Inkling 2 Small?

Inkling 2 Small is 83.3x cheaper for input tokens. Claude Mythos Preview costs $25.00/M input and $125.00/M output via anthropic. Inkling 2 Small costs $0.30/M input and $1.00/M output via thinking-machines.

What are the context window sizes for Claude Mythos Preview and Inkling 2 Small?

Claude Mythos Preview supports an unknown number of tokens and Inkling 2 Small supports 256K 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 Inkling 2 Small?

Key differences include LLM Stats Score (53.8 vs 47.2), input pricing ($25.00 vs $0.30/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Mythos Preview and Inkling 2 Small?

Claude Mythos Preview is developed by Anthropic and Inkling 2 Small is developed by Thinking Machines Lab.

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