Gemini 3.8 Flash vs Gemini 3.7 Flash

API pricing, benchmark indices and specs — updated 19 October 2026.

google · A · API-only
Input / 1M
$0.83
Output / 1M
$4.13
AA index
40.9
proprietary · 1M context
google · B · API-only
Input / 1M
$0.75
Output / 1M
$3.75
AA index
39.6
proprietary · 1M context

Specification comparison

Differences are highlighted; identical values are muted.

Specification Gemini 3.8 Flash Gemini 3.7 Flash
Deployment API-only (closed weights) API-only (closed weights)
Parameters n/a — API-only n/a — API-only
Architecture n/a — API-only n/a — API-only
Context length 1,048,576 1,048,576
Licence Proprietary Proprietary
Commercial use Per API terms Per API terms
Languages n/a — API-only n/a — API-only
Downloads 30d n/a — API-only n/a — API-only
Downloads all time n/a — API-only n/a — API-only
Quantizations on the Hub n/a — API-only n/a — API-only
Gated n/a — API-only n/a — API-only
First seen on the Hub n/a — API-only n/a — API-only
API input price / 1M tokens $0.83 $0.75
API output price / 1M tokens $4.13 $3.75
Est. cost per 1M input + 1M output tokens $4.95 $4.50
Cached input / 1M tokens $0.083 $0.075
AA Intelligence Index 40.9 39.6
AA Coding Index 76.3 71.5
AA Agentic Index 40.2 —
Max output tokens 65,536 65,536
API providers 2 2
Tool calling Yes Yes
Reasoning mode Yes Yes

API cost

Estimated cost of 1M input + 1M output tokens via OpenRouter

Gemini 3.8 Flash $4.95
Gemini 3.7 Flash $4.50

Gemini 3.7 Flash is 1.1× cheaper at list price.

Adjacent comparisons