DeepSeek V4 Flash charges $0.44 per 1M input tokens and $1.32 per 1M output tokens (cached input: $0.014/M). Real bills depend on your input/output split — the tables below price DeepSeek V4 Flash at 1K–1M tokens across common workload shapes. Verified Aug 16, 2026
Cost by token volume
| Volume | Input-heavy (90/10) | Balanced (70/30) | Output-heavy (30/70) | All input | All output |
|---|---|---|---|---|---|
| 1,000 tokens | $0.000528 | $0.000704 | $0.001056 | $0.00044 | $0.00132 |
| 10,000 tokens | $0.00528 | $0.00704 | $0.0106 | $0.0044 | $0.0132 |
| 100,000 tokens | $0.0528 | $0.0704 | $0.1056 | $0.044 | $0.132 |
| 1 million tokens | $0.528 | $0.704 | $1.056 | $0.44 | $1.32 |
Uncached. Volume links open interactive pages with adjustable splits.
Prompt caching impact
| Cached share of input | Chat request (4K in / 800 out) | Monthly @ 10K req/day | Savings / month |
|---|---|---|---|
| 0% | $0.002816 | $844.80 | — |
| 50% | $0.001964 | $589.20 | −$255.60 |
| 75% | $0.001538 | $461.40 | −$383.40 |
Monthly projections
| Scale | Requests / day | Chat workload / month | Agentic workload / month* |
|---|---|---|---|
| 100 req/day | 3,000 | $5.892 | $25.512 |
| 1K req/day | 30,000 | $58.92 | $255.12 |
| 10K req/day | 300,000 | $589.20 | $2,551.20 |
| 100K req/day | 3,000,000 | $5,892.00 | $25,512.00 |
Chat: 4K in / 800 out, 50% cached. *Agentic: 40K in / 1.5K out, 65% cached. Model your exact mix in the monthly cost calculator.
FAQ
1M purely input tokens cost $0.44; 1M purely output tokens cost $1.32. A typical mixed workload lands in between — see the volume table for exact splits.
A chat-style request (4,000 input + 800 output) costs about $0.001964 with 50% cached input, or $0.002816 without caching.
At 1,000 requests/day of a chat workload (4K in / 800 out, 50% cached): $58.92/month. At 10,000 requests/day: $589.20/month. Model your exact mix with the monthly cost calculator.