Model Comparison
Grok-3 vs DeepSeek-V3Which is better in 2026?
Grok-3 significantly outperforms across most benchmarks. DeepSeek-V3 is 12.6x cheaper per token.
Verdict: Grok-3 vs DeepSeek-V3 — which is better?
Grok-3 (by xAI) and DeepSeek-V3 (by DeepSeek) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
Grok-3 outperforms in 3 benchmarks (AIME 2024, GPQA, LiveCodeBench), while DeepSeek-V3 is better at 0 benchmarks. Grok-3 significantly outperforms across most benchmarks.
On price, DeepSeek-V3 is roughly 12.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
DeepSeek-V3 also accepts a larger context window (131,072 input tokens), making it the stronger choice for long documents and large codebases.
Choose Grok-3 if…
- you want the strongest raw capability — it leads on 3 of 3 shared benchmarks
- you want the most recent training data — it shipped Feb 2025
Choose DeepSeek-V3 if…
- cost matters — it's about 12.6x cheaper per token
- you process long inputs — it offers a 131,072 token context window
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
Grok-3 outperforms in 3 benchmarks (AIME 2024, GPQA, LiveCodeBench), while DeepSeek-V3 is better at 0 benchmarks.
Grok-3 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Grok-3 ($3.00/1M tokens) is 11.1x more expensive than DeepSeek-V3 ($0.27/1M tokens).
For output processing, Grok-3 ($15.00/1M tokens) is 13.6x more expensive than DeepSeek-V3 ($1.10/1M tokens).
In conclusion, Grok-3 is more expensive than DeepSeek-V3.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
DeepSeek-V3 accepts 131,072 input tokens compared to Grok-3's 128,000 tokens. DeepSeek-V3 can generate longer responses up to 131,072 tokens, while Grok-3 is limited to 8,000 tokens.
Input Capabilities
Supported data types and modalities
Grok-3 supports multimodal inputs, whereas DeepSeek-V3 does not.
Grok-3 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Grok-3
DeepSeek-V3
License
Usage and distribution terms
Grok-3 is licensed under a proprietary license, while DeepSeek-V3 uses MIT + Model License (Commercial use allowed).
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
MIT + Model License (Commercial use allowed)
Open weights
Release Timeline
When each model was launched
Grok-3 was released on 2025-02-17, while DeepSeek-V3 was released on 2024-12-25.
Grok-3 is 2 months newer than DeepSeek-V3.
Feb 17, 2025
1.3 years ago
1mo newerDec 25, 2024
1.5 years ago
Knowledge Cutoff
When training data ends
Grok-3 has a documented knowledge cutoff of 2024-11-17, while DeepSeek-V3's cutoff date is not specified.
We can confirm Grok-3's training data extends to 2024-11-17, but cannot make a direct comparison without DeepSeek-V3's cutoff date.
Nov 2024
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Provider Availability
Grok-3 is available from xAI. DeepSeek-V3 is available from DeepSeek.
Grok-3
DeepSeek-V3
Outputs Comparison
Key Takeaways
DeepSeek-V3
View detailsDeepSeek
Detailed Comparison
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FAQ
Common questions about Grok-3 vs DeepSeek-V3.