DeepSeek: DeepSeek V4 Flash 0731 API Pricing
DeepSeek: DeepSeek V4 Flash 0731 costs $0.440 per 1M input tokens and $1.32 per 1M output tokens (cache reads: $0.014). Context window: 1.0M. Prices verified 2026-10-21 · source
Alternatives to consider
44% cheaper with nearly identical quality (52 vs 52)
Cheapest deepseek model — 89% less per month
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Intelligence measures reasoning/knowledge/coding benchmarks. A high score with a low blended price = value pick; check the value chart to see where this model lands.
Token economics
| Token type | Price | vs base input |
|---|---|---|
| Standard input | $0.440 | — |
| Cache read | $0.014 | −97% |
| Output | $1.32 | — |
Prompt caching stores repeated context server-side: reads cost far less, but writes carry a one-time premium.
Higher effort = deeper thinking = more reasoning tokens billed as output.
What would DeepSeek: DeepSeek V4 Flash 0731 cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $8.80 |
| Coding agent | 5,000 | 8,000 / 2,000 | $30.80 |
| RAG pipeline | 30,000 | 4,000 / 500 | $72.60 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $20.24 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About DeepSeek: DeepSeek V4 Flash 0731
DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model from DeepSeek, with 13B active parameters out of 284B total. This re-post-trained revision is suited for coding, reasoning, and agent workflows....
Compare DeepSeek: DeepSeek V4 Flash 0731 with
- Flash 0731 vs OpenAI: GPT-5.6 Terra Pro
- Flash 0731 vs Anthropic: Claude Fable 5
- Flash 0731 vs Anthropic: Claude Opus 5
- Flash 0731 vs OpenAI: GPT-5.6 Sol
Popular head-to-heads — see all on the comparisons index.
Frequently asked questions
How much does DeepSeek: DeepSeek V4 Flash 0731 cost?
DeepSeek: DeepSeek V4 Flash 0731 costs $0.440 per 1M input tokens and $1.32 per 1M output tokens; cached input tokens cost $0.014 per 1M. Verified 2026-10-21 — provider source.
What is the context window?
1.0M tokens, with up to 131K output tokens per response. That's roughly 1311 pages of text in a single request.
Does it support prompt caching?
Yes — cached input is $0.014/1M, about 97% cheaper than standard input. Agents and RAG workloads with repeated context benefit most.
What's a cheaper alternative?
ScaleDown: Summarize saves about 96% on a typical workload with comparable quality.
Official resources
- DeepSeek: DeepSeek V4 Flash 0731 on OpenRouter — live endpoint, pricing source of record.
- Artificial Analysis benchmarks → — independent intelligence and performance analysis.
- DeepSeek platform → — first-party API documentation and pricing.
- Shred your current bill — paste a CSV and see if switching saves money.