DeepSeek V4.1 Flash
DeepSeek official peak/off-peak pricing: $0.15/$0.30 input, $0.003/$0.006 cache hit, $0.60/$1.20 output per 1M tokens
Overview
Recommended use cases and a precise technical profile, generated from the same reviewed model record used throughout this page.
| Model ID | deepseek-v4-1-flash | Provider | DeepSeek |
| Protocol | OPENAI compatible | DIT availability | 1 active route |
| Input | Text, Image | Output | Text |
| Context window | 1,048,576 tokens | Maximum output | 384,000 tokens |
| Released | Sep 10, 2026 | Knowledge cutoff | May 1, 2025 |
| Endpoint | Path | Status |
|---|---|---|
| Chat Completions | /v1/chat/completions | Supported |
Providers
Compare DIT market routing with the official upstream reference across price, speed, and availability. Supplier identities remain private.
| Provider | Input /M | Output /M | Cache read /M | Latency | Throughput | Uptime |
|---|---|---|---|---|---|---|
DIT Market 40% off Aggregated supply · 1 active route | — | —Awaiting data | —Awaiting data | —< 50 requests | ||
DDeepSeek official Reference Direct upstream · reviewed list price | $0.3 | $1.2 | — | —Awaiting data | —Awaiting data | —No status source |
Prices are USD per 1M tokens. DIT performance and uptime appear only after 50 eligible requests; supplier identities and customer traffic remain private.
Pricing
Compare DIT market rates directly with reviewed official prices so savings remain visible and auditable.
| Usage | Official | DIT market | Saving | Billing basis |
|---|---|---|---|---|
| Input tokens | $0.3 | $0.24 | ~40% | Per 1M tokens |
| Output tokens | $1.2 | $0.72 | ~40% | Per 1M tokens |
| Cached input | — | — | — | Per 1M cached tokens |
Performance
Latency, throughput, activity, and request success use privacy-safe DIT runtime aggregates only when the eligibility threshold is met.
DIT runtime metrics are pending
Quick Start
A copy-ready request for the compatible DIT endpoint using this model's reviewed identifier.
curl https://api.dit.ai/v1/chat/completions \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "deepseek-v4-1-flash",
"messages": [{"role":"user","content":"Explain dynamic model routing."}]
}'Sources
Field-level provenance keeps pricing, limits, capabilities, and benchmarks independently reviewable.
| Source | Type | Covers | Checked |
|---|---|---|---|
| DeepSeek model documentation ↗ | Official | Context, Modalities, Capabilities | Sep 18, 2026 |
| models.dev catalog ↗ | models.dev | Context, Modalities, Pricing | Sep 18, 2026 |
| DIT live model catalog ↗ | DIT catalog | DIT availability, Pricing | Sep 18, 2026 |
Official sources take priority. Third-party metadata is retained only when its field and review date are shown.
Models like DeepSeek V4.1 Flash
Reviewed models ranked by capability overlap, protocol compatibility, and context similarity.
Frequently asked questions
Answers use the same reviewed facts and pricing fields presented in the tables above.
What is DeepSeek V4.1 Flash?+
DeepSeek official peak/off-peak pricing: $0.15/$0.30 input, $0.003/$0.006 cache hit, $0.60/$1.20 output per 1M tokens
How much does DeepSeek V4.1 Flash cost?+
The reviewed official rate is $0.3 per 1M input tokens and $1.2 per 1M output tokens. DIT pricing is shown only when a live DIT route exists.
What is the context length of DeepSeek V4.1 Flash?+
DeepSeek V4.1 Flash supports a reviewed context window of 1,048,576 tokens and up to 384,000 output tokens.
What capabilities does DeepSeek V4.1 Flash support?+
Reviewed capabilities include Reasoning, Tool calling, Structured outputs. Consult the linked official documentation for endpoint-specific limits.
What inputs and outputs does DeepSeek V4.1 Flash support?+
Reviewed input modalities: Text, Image. Reviewed output modalities: Text.
Which API endpoints and reasoning levels does DeepSeek V4.1 Flash support?+
DeepSeek V4.1 Flash is documented for Chat Completions.
Is DeepSeek V4.1 Flash available on DIT?+
DeepSeek V4.1 Flash currently has 1 active route. DIT selects eligible supply by price and health, with automatic failover when another route is available.
When was DeepSeek V4.1 Flash released?+
DeepSeek V4.1 Flash was released on Sep 10, 2026. Its reviewed knowledge cutoff is May 1, 2025.