Gemini 3.8 FlashvsMercury
Gemini 3.8 Flash is cheaper than Mercury at $0.75/M vs $10/M input tokens.
| Spec | Gemini 3.8 Flash | Mercury |
|---|---|---|
| Input price | $0.75/M tokens | $10/M tokens |
| Output price | $3.75/M tokens | $10/M tokens |
| Context window | 1.0M tokens | 32K tokens |
| Weights | Closed | — |
| Free API (OpenRouter) | No | No |
| Released | Sep 2026 | Jun 2025 |
Our Verdict
Gemini 3.8 Flash
MercuryRunner-up
Not enough votes to call it. On the specs, Gemini 3.8 Flash has the edge: bigger model tier, newer, bigger context window, major provider backing.
Slight edge
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
Gemini 3.8 Flash
Input
$0.75
13× cheaper
Output
$3.75
2.7× cheaper
Mercury
Input
$10.00
Output
$10.00
Gemini 3.8 Flash is cheaper on both: 13× input, 2.7× output.
Where to run it
2 hosts
Gemini 3.8 Flash2 hosts
Mercury
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 13 Sep 2026.
Writing DNA
Style Comparison
Similarity
56%
Mercury uses 4.7x more hedging
Gemini 3.8 Flash
Mercury
63%Vocabulary60%
20wSentence Length31w
0.17Hedging0.78
4.0Bold4.1
2.4Lists2.8
0.01Emoji0.03
0.84Headings0.88
0.06Transitions0.06
Based on 27 + 26 text responses
Research
What we learned reading every model
FAQ
Common questions
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