Comprehensive side-by-side LLM comparison
Grok 4 Fast offers 2.0M more tokens in context window than DeepSeek-V2.5. Both models have similar pricing. Grok 4 Fast supports multimodal inputs. DeepSeek-V2.5 is available on 3 providers. Both models have their strengths depending on your specific coding needs.
DeepSeek
DeepSeek-V2.5 was developed as an enhanced iteration of the DeepSeek-V2 architecture, designed to incorporate improvements in model quality and efficiency. Built to advance the DeepSeek foundation model series, it provides refined capabilities for general-purpose language understanding and generation tasks.
xAI
Grok 4 Fast is a multimodal language model developed by xAI. It achieves strong performance with an average score of 73.0% across 7 benchmarks. It excels particularly in SimpleQA (95.0%), HMMT 2025 (93.3%), AIME 2025 (92.0%). With a 2.0M token context window, it can handle extensive documents and complex multi-turn conversations. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents xAI's latest advancement in AI technology.
1 year newer

DeepSeek-V2.5
DeepSeek
2024-05-08

Grok 4 Fast
xAI
2025-08-28
Cost per million tokens (USD)

DeepSeek-V2.5

Grok 4 Fast
Context window and performance specifications
Available providers and their performance metrics

DeepSeek-V2.5
DeepInfra
DeepSeek
Hyperbolic

DeepSeek-V2.5

Grok 4 Fast

DeepSeek-V2.5

Grok 4 Fast

Grok 4 Fast
xAI