claude-opus-5.5 vs gemini-3.1-pro-preview
Both run on onomeo with free credits. Everything below comes from calls made through this site.
- claude-opus-5.5
- 1 advantage
- gemini-3.1-pro-preview
- 4 advantages
How to choose
claude-opus-5.5Faster: 1.4s on average
gemini-3.1-pro-previewCheaper: about 867 a reply, 87% lessSteadier: 100% up over 3 daysSteadier this week: 100% of tests passedHigher in this week's ranking: #46
claude-opus-5.5
By Anthropic
gemini-3.1-pro-preview
By Google
Where they differ
claude-opus-5.5gemini-3.1-pro-preview
On this site
57%7 callsAvailability, last 3 days100%5 calls
66%9 testsAvailability, this week's tests100%10 tests
1.4sAverage response this week3.2s
6,732Credits per reply867
~29Replies a day's check-in buys~230
#47Place in this week's ranking#46
15×Credit multiplier10×
The model itself
128K tokensLongest reply64K tokens
Jun 2026Knowledge cutoffJan 2025
22 Sep 2026Released19 Feb 2026
Where they match
- Context length1M 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
claude-opus-5.5 against other models
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 Models are served by third-party providers and may slow down or be withdrawn; this page follows those changes.