Gemini 3 Pro vs Grok Code Fast 1
Gemini 3 Pro leads the LLM Stats Score 38.6 to 20.7. Grok Code Fast 1 is 8.6x cheaper per token.
Google · xAI · Updated for 2026
Which is better?
Gemini 3 Pro leads the overall LLM Stats Score 38.6 to 20.7, ranking #64 overall.
In the 1 individual benchmarks reported for both models, Gemini 3 Pro wins 1; this is a narrower head-to-head signal than the composite indexes.
On price, Grok Code Fast 1 is roughly 8.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Gemini 3 Pro 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 LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Gemini 3 Pro
- overall performance matters — it scores 38.6 and ranks #64 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 process long inputs — it offers a 1,048,576 token context window
- you want the most recent training data — it shipped Nov 2025
Choose Grok Code Fast 1
- cost matters — it's about 8.6x cheaper per token
At a glance
The differences that matter most.
Individual benchmarks
21 reported for Gemini 3 Pro · 1 for Grok Code Fast 1
Gemini 3 Pro outperforms in 1 benchmarks (SWE-Bench Verified), while Grok Code Fast 1 is better at 0 benchmarks.
Gemini 3 Pro significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 3 Pro ($2.00/1M tokens) is 10.0x more expensive than Grok Code Fast 1 ($0.20/1M tokens).
For output processing, Gemini 3 Pro ($12.00/1M tokens) is 8.0x more expensive than Grok Code Fast 1 ($1.50/1M tokens).
In conclusion, Gemini 3 Pro is more expensive than Grok Code Fast 1.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Gemini 3 Pro accepts 1,048,576 input tokens compared to Grok Code Fast 1's 256,000 tokens. Gemini 3 Pro can generate longer responses up to 65,536 tokens, while Grok Code Fast 1 is limited to 10,000 tokens.
Input capabilities
Documented input modalities across available providers
Gemini 3 Pro supports multimodal inputs, whereas Grok Code Fast 1 does not.
Gemini 3 Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.
Gemini 3 Pro
Grok Code Fast 1
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 3 Pro was released on 2025-11-18, while Grok Code Fast 1 was released on 2025-08-28.
Gemini 3 Pro is 3 months newer than Grok Code Fast 1.
Nov 18, 2025
10 months ago
2mo newerAug 28, 2025
1.1 years ago
Knowledge Cutoff
When training data ends
Gemini 3 Pro has a documented knowledge cutoff of 2025-01-31, while Grok Code Fast 1's cutoff date is not specified.
We can confirm Gemini 3 Pro's training data extends to 2025-01-31, but cannot make a direct comparison without Grok Code Fast 1's cutoff date.
Jan 2025
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Provider Availability
Gemini 3 Pro is available from Google. Grok Code Fast 1 is available from xAI.
Gemini 3 Pro
Grok Code Fast 1
Outputs Comparison
Judge for yourself.
Run your own prompts against Gemini 3 Pro and Grok Code Fast 1 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemini 3 Pro vs Grok Code Fast 1.