Claude 3 OpusvsDeepSeek V3 (March 2024)
DeepSeek V3 (March 2024) is cheaper than Claude 3 Opus at $0.14/M vs $15/M input tokens.
| Spec | Claude 3 Opus | DeepSeek V3 (March 2024) |
|---|---|---|
| Input price | $15/M tokens | $0.14/M tokens |
| Output price | $75/M tokens | $0.28/M tokens |
| Context window | 200K tokens | 128K tokens |
| Parameters | Not disclosed | Not disclosed |
| Weights | — | Open |
| Free API (OpenRouter) | No | No |
| Released | Mar 2024 | Mar 2024 |
| GPQA | 50.4% | 68.4% |
Our Verdict
Claude 3 Opus
DeepSeek V3 (March 2024)
Not enough votes to call it. On the specs, nothing separates them.
DeepSeek V3 (March 2024) costs 268x less per token.
Too close to call
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
Claude 3 Opus
Input
$15.00
Output
$75.00
DeepSeek V3 (March 2024)
Input
$0.14
107× cheaper
Output
$0.28
268× cheaper
DeepSeek V3 (March 2024) is cheaper on both: 107× input, 268× output.
Where to run it
4 hosts, cheapest first
Claude 3 Opus
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 13 Sep 2026.
Writing DNA
Style Comparison
Similarity
38%
DeepSeek V3 (March 2024) uses 670.9x more bold
Claude 3 Opus
DeepSeek V3 (March 2024)
54%Vocabulary60%
14wSentence Length20w
0.48Hedging0.71
0.0Bold6.7
3.0Lists5.8
0.00Emoji0.59
0.00Headings1.29
0.06Transitions0.09
Based on 3 + 28 text responses
Research
What we learned reading every model
FAQ
Common questions
Keep exploring
More comparisons
Claude 3 Opus vs Ox AlphaNew provider
Claude 3 Opus vs GPT-5New provider
Claude 3 Opus vs Llama 4 MaverickNew provider
Claude 3 Opus vs Gemini 2.5 Pro (I/O Edition)New provider
Claude 3 Opus vs Grok 4.20 BetaNew provider
Claude 3 Opus vs Grok 4.20 Multi-Agent BetaNew provider
Claude 3 Opus vs Grok 4.3New provider
Claude 3 Opus vs Grok 4.5New provider