Models / Compare

DeepSeek V4 Pro 0813 vs Claude Opus 5.5

DeepSeek V4 Pro 0813 costs less on both: $0.75 in and $1.188 out per million tokens, against $2.10 in and $6.00 out for Claude Opus 5.5. Both on one key at UplinkSwitch, each next to its developer's list price.

Prices · per million tokens, USD

TokensDeepSeek V4 Pro 0813deepseek-v4-pro-0813Claude Opus 5.5claude-opus-5-5
Input$0.75DeepSeek lists $1.32 · 43% under$2.10Anthropic lists $4.00 · 47% under
Cached input$0.0625DeepSeek lists $0.044$0.12Anthropic lists $0.20 · 40% under
Output$1.188DeepSeek lists $3.96 · 70% under$6.00Anthropic lists $20.00 · 70% under
FormatsOpenAI SDKAnthropic SDK, OpenAI SDK
DeveloperDeepSeekAnthropic
List price: each developer's published rate, read October 2026. A model with no cached rate bills cached tokens at its input rate. Live from GET https://api.uplinkswitch.com/v1/catalog.

Same key, same URL

One base URL and one key serve both models. The request below calls DeepSeek V4 Pro 0813; put claude-opus-5-5 in the model field to call Claude Opus 5.5 instead.

shell
curl https://api.uplinkswitch.com/v1/chat/completions \
  -H "authorization: Bearer sk-uplink-live-..." \
  -H "content-type: application/json" \
  -d '{"model":"deepseek-v4-pro-0813","messages":[{"role":"user","content":"Hello"}]}'

Questions

Which costs less, DeepSeek V4 Pro 0813 or Claude Opus 5.5?
DeepSeek V4 Pro 0813 costs less on both: $0.75 in and $1.188 out per million tokens, against $2.10 in and $6.00 out for Claude Opus 5.5.
Can I switch between them by changing the model id?
Yes. Both answer in the OpenAI SDK format at the same base URL with the same key. Change the model id from deepseek-v4-pro-0813 to claude-opus-5-5 and nothing else.
Is there a subscription?
No. Prepaid credit from $10, with no subscription or monthly fee. Each top-up locks your prices for 30 days.