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Grok-4.1 vs o1-mini

Grok-4.1 and o1-mini are closely matched at 12.2 and 10.1 on the LLM Stats Score. o1-mini is 1.1x cheaper per token.

xAI · OpenAI · Updated for 2026

Which is better?

Grok-4.1 and o1-mini are closely matched on the overall LLM Stats Score at 12.2 and 10.1.

On price, o1-mini is roughly 1.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Grok-4.1 also accepts a larger context window (256,000 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 Grok-4.1

  • you process long inputs — it offers a 256,000 token context window
  • you want the most recent training data — it shipped Nov 2025

Choose o1-mini

  • cost matters — it's about 1.1x cheaper per token

At a glance

The differences that matter most.

Core performance indexes
12.2
#243
10.1
#255
Cost, coverage & limits
Benchmark wins
Input price
$3.00 / M
$3.00 / M
Output price
$15.00 / M
$12.00 / M
Context window
256,000
128,000

Individual benchmarks

4 reported for Grok-4.1 · 6 for o1-mini

No common benchmarks found

Grok-4.1 and o1-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

o1-mini costs less

For input processing, Grok-4.1 ($3.00/1M tokens) costs the same as o1-mini ($3.00/1M tokens).

For output processing, Grok-4.1 ($15.00/1M tokens) is 1.3x more expensive than o1-mini ($12.00/1M tokens).

In conclusion, Grok-4.1 is more expensive than o1-mini.*

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

Lowest available price from all providers
Sun Sep 06 2026 • llm-stats.com
xAI
Grok-4.1
Input tokens$3.00
Output tokens$15.00
Best providerxAI
OpenAI
o1-mini
Input tokens$3.00
Output tokens$12.00
Best providerOpenAI
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Grok-4.1 accepts 256,000 input tokens compared to o1-mini's 128,000 tokens. o1-mini can generate longer responses up to 65,536 tokens, while Grok-4.1 is limited to 8,000 tokens.

xAI
Grok-4.1
Input256,000 tokens
Output8,000 tokens
OpenAI
o1-mini
Input128,000 tokens
Output65,536 tokens
Sun Sep 06 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Grok-4.1 supports multimodal inputs, whereas o1-mini does not.

Grok-4.1 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Grok-4.1

Text
Images
Audio
Video

o1-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.

Grok-4.1

Proprietary

Closed source

o1-mini

Proprietary

Closed source

Release Timeline

When each model was launched

Grok-4.1 was released on 2025-11-17, while o1-mini was released on 2024-09-12.

Grok-4.1 is 14 months newer than o1-mini.

Grok-4.1

Nov 17, 2025

9 months ago

1.2yr newer
o1-mini

Sep 12, 2024

2.0 years 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

Grok-4.1 is available from xAI. o1-mini is available from OpenAI, Azure.

Grok-4.1

xai logo
xAI
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

o1-mini

openai logo
OpenAI
Input Price:Input: $3.00/1MOutput Price:Output: $12.00/1M
azure logo
Azure
Input Price:Input: $3.30/1MOutput Price:Output: $13.20/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Grok-4.1 and o1-mini side-by-side, then vote on the output you prefer.

Grok-4.1
✓ Preferred
o1-mini
Open in Playground

FAQ

Common questions about Grok-4.1 vs o1-mini.

Which is better, Grok-4.1 or o1-mini?

Grok-4.1 and o1-mini are closely matched on the LLM Stats Score at 12.2 and 10.1. Grok-4.1 is made by xAI and o1-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 Grok-4.1 compare to o1-mini in benchmarks?

Grok-4.1 scores FActScore: 97.0%, Creative Writing v3: 85.4%, EQ-Bench: 79.3%, LMArena Text Leaderboard: 73.3%. o1-mini scores HumanEval: 92.4%, MATH-500: 90.0%, MMLU: 85.2%, SuperGLUE: 75.0%, GPQA: 60.0%.

Is Grok-4.1 cheaper than o1-mini?

Both models cost $3.00 per million input tokens.

What are the context window sizes for Grok-4.1 and o1-mini?

Grok-4.1 supports 256K tokens and o1-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 Grok-4.1 and o1-mini?

Key differences include LLM Stats Score (12.2 vs 10.1), context window (256K vs 128K), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-4.1 and o1-mini?

Grok-4.1 is developed by xAI and o1-mini is developed by OpenAI.