gemini-3.1-pro-preview vs gemini-3.8-flash
Both run on onomeo with free credits. Everything below comes from calls made through this site.
- gemini-3.1-pro-preview
- 3 advantages
- gemini-3.8-flash
- 2 advantages
How to choose
gemini-3.1-pro-previewSteadier: 100% up over 3 daysSteadier this week: 100% of tests passedFaster: 3.2s on average
gemini-3.8-flashCheaper: about 295 a reply, 66% lessHigher in this week's ranking: #36
gemini-3.1-pro-preview
By Google
gemini-3.8-flash
By Google
Where they differ
gemini-3.1-pro-previewgemini-3.8-flash
On this site
100%5 callsAvailability, last 3 days27%11 calls
100%10 testsAvailability, this week's tests25%20 tests
3.2sAverage response this week5.6s
867Credits per reply295
~230Replies a day's check-in buys~288
#46Place in this week's ranking#36
10×Credit multiplier1×
The model itself
Jan 2025Knowledge cutoffNot published
19 Feb 2026Released2 Sep 2026
Where they match
- Context length1M tokens
- Longest reply64K tokens
- Reads imagesYes
- Calls toolsYes
- Thinks before answeringYes
- Conversations used for trainingUsed to train and improve the provider’s models
- Open weightsNo
Availability over 3 days counts every call made through the site; this week's availability counts every call over the last 7 days, scheduled tests included, and response time comes from the site's own scheduled tests. Replies a day assumes a full daily check-in and the daily call limit.
Compare next
gemini-3.1-pro-preview against other models
Figures come from real calls made through this site. Models are served by third-party providers and may slow down or be withdrawn; this page follows those changes.