Gemini 3.6 Flash vs DeepSeek V4 Pro 0423
DeepSeek V4 Pro 0423 costs less on output ($1.92 against $2.25 per million tokens); Gemini 3.6 Flash costs less on input ($0.45 against $0.792). Both on one key at UplinkSwitch, each next to its developer's list price.
Prices · per million tokens, USD
| Tokens | Gemini 3.6 Flashgemini-3.6-flash | DeepSeek V4 Pro 0423deepseek-v4-pro |
|---|---|---|
| Input | $0.45Google lists $0.75 · 40% under | $0.792DeepSeek lists $1.32 · 40% under |
| Cached input | $0.045Google lists $0.075 · 40% under | $0.0338DeepSeek lists $0.044 · 23% under |
| Output | $2.25Google lists $3.75 · 40% under | $1.92DeepSeek lists $3.96 · 51% under |
| Context window | 1,048,576 tokens | 1,048,576 tokens |
| Max output | 65,536 tokens | 393,216 tokens |
| Input | text, image, audio, video | text |
| Released | 2026-07-21 | 2026-04-24 |
| Formats | OpenAI SDK, Gemini SDK | OpenAI SDK |
| Developer | DeepSeek |
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
| Work | Gemini 3.6 Flash | DeepSeek V4 Pro 0423 |
|---|---|---|
| 1,000 chat requests | $2.03list $3.38 | $2.54list $4.62 |
| 100 long documents | $2.70list $4.50 | $4.34list $7.39 |
| A month of both, daily | $141.75list $236.25 | $206.64list $360.36 |
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 Gemini 3.6 Flash costs $64.89 less here.
Same key, same URL
One base URL and one key serve both models. The request below calls Gemini 3.6 Flash; put deepseek-v4-pro in the model field to call DeepSeek V4 Pro 0423 instead.
shell
curl https://api.uplinkswitch.com/v1/chat/completions \
-H "authorization: Bearer sk-uplink-live-..." \
-H "content-type: application/json" \
-d '{"model":"gemini-3.6-flash","messages":[{"role":"user","content":"Hello"}]}'Model pages: Gemini 3.6 Flash, DeepSeek V4 Pro 0423. Pricing by family: Gemini, DeepSeek. More comparisons: Gemini 3.6 Flash vs Gemini 3.1 Pro Preview, GLM 5.2 vs DeepSeek V4 Pro 0423, MiMo-V2.5-Pro vs DeepSeek V4 Pro 0423, DeepSeek V4 Pro 0423 vs Gemini 3.1 Pro Preview.
Questions
- Which costs less, Gemini 3.6 Flash or DeepSeek V4 Pro 0423?
- DeepSeek V4 Pro 0423 costs less on output ($1.92 against $2.25 per million tokens); Gemini 3.6 Flash costs less on input ($0.45 against $0.792).
- 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 gemini-3.6-flash to deepseek-v4-pro 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 Gemini 3.6 Flash better than DeepSeek V4 Pro 0423?
- Better depends on the job; this page compares what the catalog can measure. DeepSeek V4 Pro 0423 costs less on output ($1.92 against $2.25 per million tokens); Gemini 3.6 Flash costs less on input ($0.45 against $0.792). Both take 1,048,576 tokens of context. Gemini 3.6 Flash is the newer release. Both run on the same key, so the fair test is your own prompt sent to each model id.