gemini-3.8-flash vs gpt-oss-20b
Both run on onomeo with free credits. Everything below comes from calls made through this site.
- gemini-3.8-flash
- 3 advantages
- gpt-oss-20b
- 5 advantages
How to choose
gemini-3.8-flashFaster: 5.6s on averageLonger context: 1M tokensReads images
gpt-oss-20bCheaper: about 32 a reply, 89% lessSteadier: 98% up over 3 daysSteadier this week: 94% of tests passedHigher in this week's ranking: #24Open weights
gemini-3.8-flash
By GoogleNew this week
gpt-oss-20b
By OpenAI
Where they differ
gemini-3.8-flashgpt-oss-20b
On this site
27%11 callsAvailability, last 3 days98%57 calls
25%20 testsAvailability, this week's tests94%68 tests
5.6sAverage response this week7.2s
295Credits per reply32
#36Place in this week's ranking#24
The model itself
1M tokensContext length128K tokens
64K tokensLongest reply32K tokens
YesReads imagesNo
Not publishedKnowledge cutoffJun 2024
2 Sep 2026Released5 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-3.8-flash 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 Models are served by third-party providers and may slow down or be withdrawn; this page follows those changes.