DeepSeek V4 Pro 0813 vs Claude 4.5 Sonnet (thinking)

Detailed comparison of capabilities, features, and performance.

DeepSeek V4 Pro 0813

DeepSeek V4 Pro 0813

DeepSeek
VS
Claude 4.5 Sonnet (thinking)

Claude 4.5 Sonnet (thinking)

Anthropic
Feature DeepSeek V4 Pro 0813 Claude 4.5 Sonnet (thinking)
AI Lab DeepSeek Anthropic
Context Size 1,000,000 tokens 1,000,000 tokens
Max Output Size 131,072 tokens 64,000 tokens
Frontier Model Yes Yes
Vision Support No Yes
Description DeepSeek's August 13 frontier Mixture-of-Experts model for long-context reasoning, coding, and agentic work, served through Fireworks AI with a 1M-token context window. The latest Claude 4.5 Sonnet model from Anthropic with maximum reasoning enabled, 200k reasoning tokens in 1M context.

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