DeepSeek V4 Flash
The cheapest usable model in the directory at $0.14 input / $0.28 output per 1M tokens, with cache hits at $0.0028 — DeepSeek cut the cache-hit rate to a tenth of its launch price on 26 Apr 2026. 284B MoE / 13B active, MIT weights, 1M context, and an OpenAI-compatible endpoint. On 31 Jul 2026 the `deepseek-v4-flash` API ID began serving the V4-Flash-0731 checkpoint, which posts 79% on SWE-bench Verified and 85.9 on BrowseComp — numbers that would have been frontier a year earlier, at roughly 1/100th of GPT-5.6 Sol's output price. The hosted service is in public beta. Rate limit is 2,500 concurrent requests.
1M
tokens
16K
tokens
$0.14
per 1M tokens
$0.28
per 1M tokens
105
tokens/sec
Apr 2026
2026-04-24
$0.21
per 1M tokens
400.0
quality per $
Capabilities
Benchmarks
Price vs Quality
Context Window in Context
- ▸ DeepSeek V4 Flash1M
- GPT-4.11M
- Gemini 2.5 Pro1M
- Gemini 2.0 Flash1M
- Llama 4 Maverick1M
- GPT-5.51M
- GPT-5.5 Pro1M
- Claude Opus 4.71M
Compare With
Open Source: Licensed under MIT
Not on our gateway yet
DeepSeek V4 Flash is open-weight, so you can run it yourself. Swfte Connect turns your deployment into a managed endpoint that speaks the same API as every other model in this directory.
curl https://api.swfte.com/agents/v2/gateway/chat/completions \
-H "Authorization: Bearer $SWFTE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "deepseek:deepseek-v4-flash",
"messages": [{"role": "user", "content": "Hello"}]
}'About DeepSeek V4 Flash
DeepSeek V4 Flash is a fast AI model by DeepSeek, released on April 24, 2026. It supports a context window of 1000K tokens and can generate up to 16K output tokens.
At $0.14 per million input tokens and $0.28 per million output tokens, its blended cost of $0.21/1M tokens makes it one of the most affordable models available. Its value score of 400.0 reflects the balance of quality and cost.
DeepSeek V4 Flash is available as an open-source model under the MIT license, meaning you can self-host it for predictable costs or use it through API providers like Swfte Connect.
Using DeepSeek V4 Flash with Swfte
Access DeepSeek V4 Flash through Swfte Connect, our unified LLM gateway. Connect gives you a single API for 50+ models, with automatic routing, cost optimization, and fallback handling. You can also try DeepSeek V4 Flash in our AI Playground before integrating.