claude-opus-5.5 vs deepseek-flash
Both can be used on onomeo. Everything below comes from calls made through this site.
- claude-opus-5.5
- No edge in the figures
- deepseek-flash
- 1 advantage
How to choose
claude-opus-5.5No edge in the figures
deepseek-flashOpen weights
claude-opus-5.5
By Anthropic
deepseek-flash
By DeepSeek
Where they differ
claude-opus-5.5deepseek-flash
On this site
—Availability, last 3 days100%415 calls
—Availability, this week's tests100%488 tests
$30.00Reference price per million output tokens$1.76
UnrankedPlace in this week's ranking#4
$6.00Reference price per million input tokens$0.44
The model itself
128K tokensLongest reply384K tokens
Jun 2026Knowledge cutoffMay 2025
22 Sep 2026Released10 Sep 2026
NoOpen weightsYes
$0.30Reference price per million cache-read tokens$0.0088
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
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-opus-5.5 against other models
- vs muse-wonder-1.0$30.00Reference price per million output tokens
- vs kimi-k3$22.50Reference price per million output tokens
- vs gemini-4-argon$15.00Reference price per million output tokens
- vs kimi-k3.1-pro$15.00Reference price per million output tokens
- vs gpt-6.1-sol$15.00Reference price per million output tokens
- vs qwen3.8-max$9.00Reference price per million output tokens
deepseek-flash against other models
- vs gpt-5.6-luna$1.80Reference price per million output tokens
- vs mimo-v2.6-pro$1.30Reference price per million output tokens
- vs glm-5.3-flash$0.75Reference price per million output tokens
- vs gpt-6-luna$0.75Reference price per million output tokens
- vs claude-haiku-5.5$0.75Reference price per million output tokens
- vs mimo-v2.6-flash$0.42Reference 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 Models are served by third-party providers and may slow down or be withdrawn; this page follows those changes.