GPT-5.1 ChatvsLlama 4 Maverick
GPT-5.1 Chat is cheaper than Llama 4 Maverick at $1.25/M vs $1.5/M input tokens.
| Spec | GPT-5.1 Chat | Llama 4 Maverick |
|---|---|---|
| Input price | $1.25/M tokens | $1.5/M tokens |
| Output price | $10/M tokens | $2.5/M tokens |
| Context window | 128K tokens | 1.0M tokens |
| Weights | — | Open |
| Free API (OpenRouter) | No | No |
| Released | Nov 2025 | Apr 2025 |
Our Verdict
Llama 4 Maverick
GPT-5.1 ChatRunner-up
Not enough votes to call it. On the specs, Llama 4 Maverick has the edge: bigger model tier, bigger context window.
Llama 4 Maverick costs 4.0x less per token.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.1 Chat
Input
$1.25
1.2× cheaper
Output
$10.00
Llama 4 Maverick
Input
$1.50
Output
$2.50
4.0× cheaper
GPT-5.1 Chat wins input (1.2× cheaper)·Llama 4 Maverick wins output (4.0× cheaper)
Where to run it
5 hosts, cheapest first
GPT-5.1 Chat
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Writing DNA
Style Comparison
Similarity
33%
Llama 4 Maverick uses 64.8x more headings
GPT-5.1 Chat
Llama 4 Maverick
73%Vocabulary49%
18wSentence Length20w
0.45Hedging0.63
1.1Bold2.8
2.4Lists3.8
0.00Emoji0.00
0.00Headings0.65
0.06Transitions0.09
Based on 15 + 26 text responses
Research
What we learned reading every model
FAQ
Common questions
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