DeepSeek V3 is 74.4× cheaper per million tokens (blended). Claude Opus 4.1 has the larger context window (200,000 vs 163,840 tokens). DeepSeek V3 is open-weights; the other is not.

Claude Opus 4.1 vs DeepSeek V3

Live catalog fields. Best-in-row is highlighted.

Claude Opus 4.1

Anthropic · anthropic__claude-opus-4.1

DeepSeek V3open

DeepSeek · deepseek__deepseek-chat

Identity

Fieldanthropic__claude-opus-4.1deepseek__deepseek-chat
ProviderAnthropicDeepSeek
Sluganthropic__claude-opus-4.1deepseek__deepseek-chat
Statuslivelive
Open weightsNoYes
License
HuggingFacedeepseek-ai/DeepSeek-V3

Quality

Fieldanthropic__claude-opus-4.1deepseek__deepseek-chat
Quality index (0–100)

Cost

Fieldanthropic__claude-opus-4.1deepseek__deepseek-chat
Input $ / 1M tokens$15.00$0.32
Cached input $ / 1M$1.50
Output $ / 1M tokens$75.00$0.89

Context

Fieldanthropic__claude-opus-4.1deepseek__deepseek-chat
Max context tokens200,000163,840
Max output tokens32,00016,384

Modalities

Fieldanthropic__claude-opus-4.1deepseek__deepseek-chat
Inputimage, text, filetext
Outputtexttext