Models / Compare

DeepSeek V4 Pro 0813 vs GPT-6.1 Sol

DeepSeek V4 Pro 0813 costs less on output ($1.188 against $3.00 per million tokens); GPT-6.1 Sol costs less on input ($0.60 against $0.75). 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-0813GPT-6.1 Solgpt-6.1-sol
Input$0.75DeepSeek lists $1.32 · 43% under$0.60OpenAI lists $2.00 · 70% under
Cached input$0.0625DeepSeek lists $0.044$0.06OpenAI lists $0.10 · 40% under
Output$1.188DeepSeek lists $3.96 · 70% under$3.00OpenAI lists $10.00 · 70% under
Context window1,048,576 tokens1,050,000 tokens
Max output393,216 tokens128,000 tokens
Inputtexttext, image
Released2026-08-132026-09-29
FormatsOpenAI SDKOpenAI SDK
DeveloperDeepSeekOpenAI
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.

What the same work costs · USD, here and at list

WorkDeepSeek V4 Pro 0813GPT-6.1 Sol
1,000 chat requests$2.09list $4.62$2.70list $9.00
100 long documents$3.99list $7.39$3.60list $12.00
A month of both, daily$182.45list $360.36$189.00list $630.00
A chat request is 2,000 input and 500 output tokens; a long document is 50,000 in and 2,000 out; the month is 1,000 chats and 100 documents a day for 30 days, uncached. Over that month DeepSeek V4 Pro 0813 costs $6.55 less here.

Same key, same URL

One base URL and one key serve both models. The request below calls DeepSeek V4 Pro 0813; put gpt-6.1-sol in the model field to call GPT-6.1 Sol 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 GPT-6.1 Sol?
DeepSeek V4 Pro 0813 costs less on output ($1.188 against $3.00 per million tokens); GPT-6.1 Sol costs less on input ($0.60 against $0.75).
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 gpt-6.1-sol 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.
Is DeepSeek V4 Pro 0813 better than GPT-6.1 Sol?
Better depends on the job; this page compares what the catalog can measure. DeepSeek V4 Pro 0813 costs less on output ($1.188 against $3.00 per million tokens); GPT-6.1 Sol costs less on input ($0.60 against $0.75). DeepSeek V4 Pro 0813 takes 1,048,576 tokens of context against 1,050,000 for GPT-6.1 Sol. GPT-6.1 Sol is the newer release. Both run on the same key, so the fair test is your own prompt sent to each model id.