Gemini 3.8 FlashvsLlama 3.1 405B
Gemini 3.8 Flash is cheaper than Llama 3.1 405B at $0.75/M vs $2.7/M input tokens.
| Spec | Gemini 3.8 Flash | Llama 3.1 405B |
|---|---|---|
| Input price | $0.75/M tokens | $2.7/M tokens |
| Output price | $3.75/M tokens | $3.1/M tokens |
| Context window | 1.0M tokens | 128K tokens |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | Sep 2026 | Jul 2024 |
Our Verdict
Gemini 3.8 Flash
Llama 3.1 405B
Not enough votes to call it. On the specs, nothing separates them.
Too close to call
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
Gemini 3.8 Flash
Input
$0.75
3.6× cheaper
Output
$3.75
Llama 3.1 405B
Input
$2.70
Output
$3.10
1.2× cheaper
Gemini 3.8 Flash wins input (3.6× cheaper)·Llama 3.1 405B wins output (1.2× cheaper)
Where to run it
2 hosts
Gemini 3.8 Flash2 hosts
Llama 3.1 405B
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 13 Sep 2026.
Writing DNA
Style Comparison
Similarity
52%
Gemini 3.8 Flash uses 402.6x more bold
Gemini 3.8 Flash
Llama 3.1 405B
63%Vocabulary55%
20wSentence Length15w
0.17Hedging0.41
4.0Bold0.0
2.4Lists1.9
0.01Emoji0.03
0.84Headings0.00
0.06Transitions0.16
Based on 27 + 5 text responses
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