Claude Opus 4.8vsDeepSeek V3 (March 2024)
DeepSeek V3 (March 2024) is cheaper than Claude Opus 4.8 at $0.14/M vs $5/M input tokens.
| Spec | Claude Opus 4.8 | DeepSeek V3 (March 2024) |
|---|---|---|
| Input price | $5/M tokens | $0.14/M tokens |
| Output price | $25/M tokens | $0.28/M tokens |
| Context window | 1.0M tokens | 128K tokens |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | May 2026 | Mar 2024 |
Our Verdict
Claude Opus 4.8
DeepSeek V3 (March 2024)Runner-up
Not enough votes to call it. On the specs, Claude Opus 4.8 has the edge: newer, bigger context window.
DeepSeek V3 (March 2024) costs 89x less per token.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 4.8
Input
$5.00
Output
$25.00
DeepSeek V3 (March 2024)
Input
$0.14
36× cheaper
Output
$0.28
89× cheaper
DeepSeek V3 (March 2024) is cheaper on both: 36× input, 89× output.
Where to run it
8 hosts, cheapest first
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Writing DNA
Style Comparison
Similarity
72%
DeepSeek V3 (March 2024) uses 2.1x more transitions
Claude Opus 4.8
DeepSeek V3 (March 2024)
60%Vocabulary60%
19wSentence Length20w
0.46Hedging0.71
4.7Bold6.7
3.2Lists5.8
0.78Emoji0.59
1.15Headings1.29
0.04Transitions0.09
Based on 27 + 28 text responses
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