gemini-3-flash-preview vs gpt-oss-20b
Both run on onomeo with free credits. Everything below comes from calls made through this site.
- gemini-3-flash-preview
- 7 advantages
- gpt-oss-20b
- 1 advantage
How to choose
gemini-3-flash-previewCheaper: about 21 a reply, 34% lessSteadier: 100% up over 3 daysSteadier this week: 100% of tests passedFaster: 2.4s on averageHigher in this week's ranking: #8Longer context: 1M tokensReads images
gpt-oss-20bOpen weights
gemini-3-flash-preview
By Google
gpt-oss-20b
By OpenAI
Where they differ
gemini-3-flash-previewgpt-oss-20b
On this site
100%19 callsAvailability, last 3 days96%58 calls
100%31 testsAvailability, this week's tests94%69 tests
2.4sAverage response this week7.0s
21Credits per reply32
#8Place in this week's ranking#24
The model itself
1M tokensContext length128K tokens
64K tokensLongest reply32K tokens
YesReads imagesNo
Jan 2025Knowledge cutoffJun 2024
17 Dec 2025Released5 Aug 2025
NoOpen weightsYes
Where they match
- Replies a day's check-in buys~288
- Calls toolsYes
- Thinks before answeringYes
- Conversations used for trainingUsed to train and improve the provider’s models
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-flash-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 Models are served by third-party providers and may slow down or be withdrawn; this page follows those changes.