Gemini 3 Pro vs Grok-4
Gemini 3 Pro and Grok-4 are closely matched at 38.3 and 33.5 on the LLM Stats Score. Gemini 3 Pro is 1.3x cheaper per token.
Google · xAI · Updated for 2026
Which is better?
Gemini 3 Pro and Grok-4 are closely matched on the overall LLM Stats Score at 38.3 and 33.5.
In the 4 individual benchmarks reported for both models, Gemini 3 Pro wins 4; this is a narrower head-to-head signal than the composite indexes.
On price, Gemini 3 Pro is roughly 1.3x 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
- you value its reported benchmark strengths — it wins 4 of 4 exact shared results
- cost matters — it's about 1.3x cheaper per token
- 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-4
- you want predictable pricing at $3.00/M input and $15.00/M output
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
21 reported for Gemini 3 Pro · 7 for Grok-4
Gemini 3 Pro outperforms in 4 benchmarks (AIME 2025, ARC-AGI v2, GPQA, Humanity's Last Exam), while Grok-4 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 1.5x cheaper than Grok-4 ($3.00/1M tokens).
For output processing, Gemini 3 Pro ($12.00/1M tokens) is 1.3x cheaper than Grok-4 ($15.00/1M tokens).
In conclusion, Grok-4 is more expensive than Gemini 3 Pro.*
* 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-4's 256,000 tokens. Gemini 3 Pro can generate longer responses up to 65,536 tokens, while Grok-4 is limited to 8,000 tokens.
Input capabilities
Documented input modalities across available providers
Both Gemini 3 Pro and Grok-4 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemini 3 Pro
Grok-4
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-4 was released on 2025-07-09.
Gemini 3 Pro is 4 months newer than Grok-4.
Nov 18, 2025
11 months ago
4mo newerJul 9, 2025
1.3 years ago
Knowledge Cutoff
When training data ends
Gemini 3 Pro has a knowledge cutoff of 2025-01-31, while Grok-4 has a cutoff of 2024-12-31.
Gemini 3 Pro has more recent training data (up to 2025-01-31), making it potentially better informed about events through that date compared to Grok-4 (2024-12-31).
Jan 2025
1 mo newerDec 2024
Provider Availability
Gemini 3 Pro is available from Google. Grok-4 is available from xAI.
Gemini 3 Pro
Grok-4
Outputs Comparison
Judge for yourself.
Run your own prompts against Gemini 3 Pro and Grok-4 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemini 3 Pro vs Grok-4.