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GPT-6 Rosalind vs Grok-2

Comparing GPT-6 Rosalind and Grok-2 across benchmarks, pricing, and capabilities.

OpenAI · xAI · Updated for 2026

Which is better?

GPT-6 Rosalind and Grok-2 trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

On price, Grok-2 is roughly 7.5x 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 GPT-6 Rosalind

  • you want the most recent training data — it shipped Oct 2026

Choose Grok-2

  • cost matters — it's about 7.5x cheaper per token

At a glance

The differences that matter most.

Benchmark wins
—
—
Input price
$15.00 / M
$2.00 / M
Output price
$75.00 / M
$10.00 / M
Context window
—
128,000

Individual benchmarks

0 reported for GPT-6 Rosalind · 8 for Grok-2

No common benchmarks found

GPT-6 Rosalind and Grok-2don'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

Grok-2 costs less

For input processing, GPT-6 Rosalind ($15.00/1M tokens) is 7.5x more expensive than Grok-2 ($2.00/1M tokens).

For output processing, GPT-6 Rosalind ($75.00/1M tokens) is 7.5x more expensive than Grok-2 ($10.00/1M tokens).

In conclusion, GPT-6 Rosalind is more expensive than Grok-2.*

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

Lowest available price from all providers
Tue Nov 03 2026 • llm-stats.com
OpenAI
GPT-6 Rosalind
Input tokens$15.00
Output tokens$75.00
Best providerOpenAI
xAI
Grok-2
Input tokens$2.00
Output tokens$10.00
Best providerxAI
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Only Grok-2 specifies input context (128,000 tokens). Only Grok-2 specifies output context (8,000 tokens).

OpenAI
GPT-6 Rosalind
Input- tokens
Output- tokens
xAI
Grok-2
Input128,000 tokens
Output8,000 tokens
Tue Nov 03 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both GPT-6 Rosalind and Grok-2 support multimodal inputs.

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

GPT-6 Rosalind

Text
Images
Audio
Video

Grok-2

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.

GPT-6 Rosalind

Proprietary

Closed source

Grok-2

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-6 Rosalind was released on 2026-10-30, while Grok-2 was released on 2024-08-13.

GPT-6 Rosalind is 27 months newer than Grok-2.

GPT-6 Rosalind

Oct 30, 2026

1 days ago

2.2yr newer
Grok-2

Aug 13, 2024

2.2 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

GPT-6 Rosalind is available from OpenAI. Grok-2 is available from xAI.

GPT-6 Rosalind

openai logo
OpenAI
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M

Grok-2

xai logo
xAI
Input Price:Input: $2.00/1MOutput Price:Output: $10.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against GPT-6 Rosalind and Grok-2 side-by-side, then vote on the output you prefer.

GPT-6 Rosalind
✓ Preferred
Grok-2
Open in Playground

FAQ

Common questions about GPT-6 Rosalind vs Grok-2.

Which is better, GPT-6 Rosalind or Grok-2?

GPT-6 Rosalind (OpenAI) and Grok-2 (xAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does GPT-6 Rosalind compare to Grok-2 in benchmarks?

Grok-2 scores DocVQA: 93.6%, HumanEval: 88.4%, MMLU: 87.5%, MATH: 76.1%, MMLU-Pro: 75.5%.

Is GPT-6 Rosalind cheaper than Grok-2?

Grok-2 is 7.5x cheaper for input tokens. GPT-6 Rosalind costs $15.00/M input and $75.00/M output via openai. Grok-2 costs $2.00/M input and $10.00/M output via xai.

What are the context window sizes for GPT-6 Rosalind and Grok-2?

GPT-6 Rosalind supports an unknown number of tokens and Grok-2 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 GPT-6 Rosalind and Grok-2?

Key differences include input pricing ($15.00 vs $2.00/M). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-6 Rosalind and Grok-2?

GPT-6 Rosalind is developed by OpenAI and Grok-2 is developed by xAI.