Comprehensive side-by-side LLM comparison
Grok 4 offers 142.5K more tokens in context window than DeepSeek-V3.1. DeepSeek-V3.1 is $28.63 cheaper per million tokens. Grok 4 supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
DeepSeek
DeepSeek-V3.1, released by DeepSeek in August 2025, is a hybrid large language model with 671 billion total parameters (37 billion active) that unifies the capabilities of DeepSeek-V3 and DeepSeek-R1 in a single model. It features a 128K token context window and supports both direct generation and extended reasoning modes selectable via the chat template. DeepSeek-V3.1 targets general-purpose tasks, coding, and complex reasoning under an open MIT license.
xAI
Grok 4, released by xAI on July 10, 2025, is a large language model featuring first-principles reasoning and comprehensive multimodal support. It features a 260K token context window and demonstrated strong performance on advanced reasoning and coding benchmarks. Grok 4 targets complex multi-step reasoning tasks, scientific analysis, and agentic workflows via the xAI API.
1 month newer

Grok 4
xAI
2025-07-10

DeepSeek-V3.1
DeepSeek
2025-08-21
Cost per million tokens (USD)
DeepSeek-V3.1
Grok 4
Context window and performance specifications
Available providers and their performance metrics
DeepSeek-V3.1
DeepSeek
Grok 4
DeepSeek-V3.1
Grok 4
DeepSeek-V3.1
Grok 4
xAI