Claude Opus 4.8vsSeed 2.0 Code
Seed 2.0 Code is cheaper than Claude Opus 4.8 at $0.5/M vs $5/M input tokens.
| Spec | Claude Opus 4.8 | Seed 2.0 Code |
|---|---|---|
| Input price | $5/M tokens | $0.5/M tokens |
| Output price | $25/M tokens | $3/M tokens |
| Context window | 1.0M tokens | 262K tokens |
| Weights | Closed | — |
| Free API (OpenRouter) | No | No |
| Released | May 2026 | Aug 2026 |
Our Verdict
Claude Opus 4.8
Seed 2.0 CodeRunner-up
Not enough votes to call it. On the specs, Claude Opus 4.8 has the edge: bigger model tier, bigger context window, major provider backing.
Seed 2.0 Code costs 8.3x less per token.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 4.8
Input
$5.00
Output
$25.00
Seed 2.0 Code
Input
$0.50
10× cheaper
Output
$3.00
8.3× cheaper
Seed 2.0 Code is cheaper on both: 10× input, 8.3× output.
Where to run it
5 hosts
Seed 2.0 Code1 host
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Writing DNA
Style Comparison
Similarity
44%
Claude Opus 4.8 uses 77.6x more emoji
Claude Opus 4.8
Seed 2.0 Code
60%Vocabulary56%
19wSentence Length33w
0.46Hedging0.24
4.7Bold3.1
3.2Lists3.0
0.78Emoji0.00
1.15Headings1.66
0.04Transitions0.03
Based on 27 + 27 text responses
Research
What we learned reading every model
FAQ
Common questions
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