Claude Opus 4.5vsLlama 4 Maverick
Claude Opus 4.5 is the newer model, released after Llama 4 Maverick.
| Spec | Claude Opus 4.5 | Llama 4 Maverick |
|---|---|---|
| Input price | — | $1.5/M tokens |
| Output price | — | $2.5/M tokens |
| Context window | — | 1.0M tokens |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | Nov 2025 | Apr 2025 |
Our Verdict
Claude Opus 4.5
Llama 4 Maverick
Not enough votes to call it. On the specs, nothing separates them.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 4.5
Input
—
Output
—
Llama 4 Maverick
Input
$1.50
Output
$2.50
Where to run it
9 hosts, cheapest first
Per million tokens. Prices and uptime via OpenRouter, checked 8 Sep 2026.
Writing DNA
Style Comparison
Similarity
26%
Claude Opus 4.5 uses 18.5x more emoji
Claude Opus 4.5
Llama 4 Maverick
66%Vocabulary49%
51wSentence Length20w
0.82Hedging0.63
6.0Bold2.8
4.5Lists3.8
0.18Emoji0.00
1.46Headings0.65
0.05Transitions0.09
Based on 27 + 26 text responses
Research
What we learned reading every model
FAQ
Common questions
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