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Inkling 2 Small vs o1-pro

Inkling 2 Small leads the LLM Stats Score 47.1 to 19.0.

Thinking Machines Lab · OpenAI · Updated for 2026

Which is better?

Inkling 2 Small leads the overall LLM Stats Score 47.1 to 19.0, ranking #41 overall.

In the 1 individual benchmarks reported for both models, Inkling 2 Small wins 1; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Inkling 2 Small

  • overall performance matters — it scores 47.1 and ranks #41 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you want the most recent training data — it shipped Nov 2026

Choose o1-pro

  • you are already invested in the OpenAI ecosystem

At a glance

The differences that matter most.

Core performance indexes
47.1
#41
19.0
#243
47.8
#26
19.4
#230
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$0.30 / M
— / M
Output price
$1.00 / M
— / M
Context window
256,000
—

Individual benchmarks

11 reported for Inkling 2 Small · 2 for o1-pro

1 shared

Inkling 2 Small outperforms in 1 benchmarks (GPQA), while o1-pro is better at 0 benchmarks.

Inkling 2 Small significantly outperforms across most benchmarks.

Tue Nov 10 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

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

Thinking Machines Lab
Inkling 2 Small
Input256,000 tokens
Output- tokens
OpenAI
o1-pro
Input- tokens
Output- tokens
Tue Nov 10 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Inkling 2 Small and o1-pro support multimodal inputs.

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

Inkling 2 Small

Text
Images
Audio
Video

o1-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.

Inkling 2 Small

Proprietary

Closed source

o1-pro

Proprietary

Closed source

Release Timeline

When each model was launched

Inkling 2 Small was released on 2026-11-05, while o1-pro was released on 2024-12-17.

Inkling 2 Small is 23 months newer than o1-pro.

Inkling 2 Small

Nov 5, 2026

4 days ago

1.9yr newer
o1-pro

Dec 17, 2024

1.9 years ago

Knowledge Cutoff

When training data ends

o1-pro has a documented knowledge cutoff of 2023-09-30, while Inkling 2 Small's cutoff date is not specified.

We can confirm o1-pro's training data extends to 2023-09-30, but cannot make a direct comparison without Inkling 2 Small's cutoff date.

Inkling 2 Small

—

o1-pro

Sep 2023

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Inkling 2 Small and o1-pro side-by-side, then vote on the output you prefer.

Inkling 2 Small
✓ Preferred
o1-pro
Open in Playground

FAQ

Common questions about Inkling 2 Small vs o1-pro.

Which is better, Inkling 2 Small or o1-pro?

Inkling 2 Small leads the LLM Stats Score 47.1 to 19.0. Inkling 2 Small is made by Thinking Machines Lab and o1-pro is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Inkling 2 Small compare to o1-pro in benchmarks?

Inkling 2 Small scores GPQA: 93.0%, BrowseComp: 90.2%, CharXiv-R: 85.6%, MCP Atlas: 85.0%, SWE-Bench Verified: 82.2%. o1-pro scores AIME 2024: 86.0%, GPQA: 79.0%.

What are the context window sizes for Inkling 2 Small and o1-pro?

Inkling 2 Small supports 256K tokens and o1-pro supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Inkling 2 Small and o1-pro?

Key differences include LLM Stats Score (47.1 vs 19.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Inkling 2 Small and o1-pro?

Inkling 2 Small is developed by Thinking Machines Lab and o1-pro is developed by OpenAI.