GPT-4 vs Grok-3
Grok-3 significantly outperforms across most benchmarks. Grok-3 is 6.3x cheaper per token.
OpenAI · xAI · Updated for 2026
Which is better?
GPT-4 outperforms in 0 benchmarks, while Grok-3 is better at 1 benchmark (GPQA). Grok-3 significantly outperforms across most benchmarks.
On price, Grok-3 is roughly 6.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Grok-3 also accepts a larger context window (128,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current benchmark, pricing, and model metadata for 2026.
Choose GPT-4
- you want predictable pricing at $30.00/M input and $60.00/M output
Choose Grok-3
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- cost matters — it's about 6.3x cheaper per token
- you process long inputs — it offers a 128,000 token context window
- you want the most recent training data — it shipped Feb 2025
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
GPT-4 outperforms in 0 benchmarks, while Grok-3 is better at 1 benchmark (GPQA).
Grok-3 significantly outperforms across most benchmarks.
Arena Performance
Playground indexes and blind preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-4 ($30.00/1M tokens) is 10.0x more expensive than Grok-3 ($3.00/1M tokens).
For output processing, GPT-4 ($60.00/1M tokens) is 4.0x more expensive than Grok-3 ($15.00/1M tokens).
In conclusion, GPT-4 is more expensive than Grok-3.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Grok-3 accepts 128,000 input tokens compared to GPT-4's 32,768 tokens. GPT-4 can generate longer responses up to 32,768 tokens, while Grok-3 is limited to 8,000 tokens.
Input Capabilities
Supported data types and modalities
Both GPT-4 and Grok-3 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
GPT-4
Grok-3
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
GPT-4 was released on 2023-06-13, while Grok-3 was released on 2025-02-17.
Grok-3 is 21 months newer than GPT-4.
Jun 13, 2023
3.2 years ago
Feb 17, 2025
1.5 years ago
1.7yr newerKnowledge Cutoff
When training data ends
GPT-4 has a knowledge cutoff of 2022-12-31, while Grok-3 has a cutoff of 2024-11-17.
Grok-3 has more recent training data (up to 2024-11-17), making it potentially better informed about events through that date compared to GPT-4 (2022-12-31).
Dec 2022
Nov 2024
1.9 yr newerProvider Availability
GPT-4 is available from Azure, OpenAI. Grok-3 is available from xAI.
GPT-4
Grok-3
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-4 and Grok-3 side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-4 vs Grok-3.