Gemini 2.5 Pro Preview 06-05 vs Grok 4.6
Comparing Gemini 2.5 Pro Preview 06-05 and Grok 4.6 across benchmarks, pricing, and capabilities.
Google · xAI · Updated for 2026
Which is better?
Gemini 2.5 Pro Preview 06-05 and Grok 4.6 trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.
On price, Grok 4.6 is roughly 1.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Gemini 2.5 Pro Preview 06-05 also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.
Based on current benchmark, pricing, and model metadata for 2026.
Choose Gemini 2.5 Pro Preview 06-05
- you process long inputs — it offers a 1,048,576 token context window
Choose Grok 4.6
- cost matters — it's about 1.1x cheaper per token
- you want the most recent training data — it shipped Aug 2026
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
Gemini 2.5 Pro Preview 06-05 and Grok 4.6don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Arena Performance
Playground indexes and blind preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 2.5 Pro Preview 06-05 ($1.25/1M tokens) is 1.6x cheaper than Grok 4.6 ($2.00/1M tokens).
For output processing, Gemini 2.5 Pro Preview 06-05 ($10.00/1M tokens) is 1.7x more expensive than Grok 4.6 ($6.00/1M tokens).
In conclusion, Gemini 2.5 Pro Preview 06-05 is more expensive than Grok 4.6.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Gemini 2.5 Pro Preview 06-05 accepts 1,048,576 input tokens compared to Grok 4.6's 500,000 tokens. Only Gemini 2.5 Pro Preview 06-05 specifies output context (65,535 tokens).
Input Capabilities
Supported data types and modalities
Both Gemini 2.5 Pro Preview 06-05 and Grok 4.6 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemini 2.5 Pro Preview 06-05
Grok 4.6
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Gemini 2.5 Pro Preview 06-05 was released on 2025-06-05, while Grok 4.6 was released on 2026-08-12.
Grok 4.6 is 14 months newer than Gemini 2.5 Pro Preview 06-05.
Jun 5, 2025
1.2 years ago
Aug 12, 2026
1 weeks ago
1.2yr newerKnowledge Cutoff
When training data ends
Gemini 2.5 Pro Preview 06-05 has a knowledge cutoff of 2025-01-31, while Grok 4.6 has a cutoff of 2026-02-01.
Grok 4.6 has more recent training data (up to 2026-02-01), making it potentially better informed about events through that date compared to Gemini 2.5 Pro Preview 06-05 (2025-01-31).
Jan 2025
Feb 2026
1.1 yr newerProvider Availability
Gemini 2.5 Pro Preview 06-05 is available from Google. Grok 4.6 is available from xAI.
Gemini 2.5 Pro Preview 06-05
Grok 4.6
Outputs Comparison
Judge for yourself.
Run your own prompts against Gemini 2.5 Pro Preview 06-05 and Grok 4.6 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemini 2.5 Pro Preview 06-05 vs Grok 4.6.