claude-sonnet-5.5 vs gpt-6.1-terra
Both can be used on onomeo. Everything below comes from calls made through this site.
- claude-sonnet-5.5
- No edge in the figures
- gpt-6.1-terra
- 4 advantages
How to choose
claude-sonnet-5.5No edge in the figures
gpt-6.1-terraSteadier: 100% up over 3 daysSteadier this week: 100% of tests passedHigher in this week's ranking: #5No training on conversations
claude-sonnet-5.5
By Anthropic
gpt-6.1-terra
By OpenAINew in the last two weeks
Where they differ
claude-sonnet-5.5gpt-6.1-terra
On this site
72%51 callsAvailability, last 3 days100%12 calls
74%55 testsAvailability, this week's tests100%13 tests
1.7sAverage response this week1.8s
$20.00Reference price per million output tokens$10.00
#7Place in this week's ranking#5
$4.00Reference price per million input tokens$2.00
The model itself
1M tokensContext length1.1M tokens
Used to train and improve the provider’s models.Conversations used for trainingNot used for training.
28 Sep 2026Released26 Oct 2026
$0.20Reference price per million cache-read tokens$0.10
Where they match
- Longest reply128K tokens
- Reads imagesYes
- Calls toolsYes
- Thinks before answeringYes
- Knowledge cutoffJun 2026
- 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. Models marked as free are counted in calls; paid models are charged by usage, in US dollars.
Compare next
claude-sonnet-5.5 against other models
- vs gemini-4-argon$20.00Reference price per million output tokens
- vs kimi-k3.1-pro$20.00Reference price per million output tokens
- vs qwen3.8-max$12.00Reference price per million output tokens
- vs grok-4.7$12.00Reference price per million output tokens
- vs glm-5.3$8.80Reference price per million output tokens
- vs claude-opus-5.5$40.00Reference price per million output tokens
gpt-6.1-terra against other models
- vs glm-5.3$8.80Reference price per million output tokens
- vs qwen3.8-max$12.00Reference price per million output tokens
- vs grok-4.7$12.00Reference price per million output tokens
- vs mistral-large-4$4.18Reference price per million output tokens
- vs deepseek-flash$2.35Reference price per million output tokens
- vs gemini-4-argon$20.00Reference price per million output tokens
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 Models are served by third-party providers and may slow down or be withdrawn; this page follows those changes.