Last refreshed 2026-07-03. Next refresh: weekly.
Why use DeepSeek V4 Flash on OpenRouter?
OpenRouter offers DeepSeek V4 Flash with pay-as-you-go pricing at $0.06/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.
Compare DeepSeek V4 Flash across 5 providers to find the best fit for your use caseSetup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: deepseek/deepseek-v4-flashdeepseek/deepseek-v4-flashRequest example
deepseek/deepseek-v4-flash.Gotchas
- Use provider model ID "deepseek/deepseek-v4-flash", not the LLMReference slug "deepseek-v4-flash".
Compare DeepSeek V4 Flash Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| DeepSeek Platform | $0.22 | $0.66 |
| OpenRouter | $0.06 | $0.12 |
| Microsoft Foundry | $0.19 | $0.51 |
| Vercel AI Gateway | $0.13 | $0.26 |
| Novita AI | $0.14 | $0.28 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.06 |
| Output tokens | $0.12 |
Capabilities
About DeepSeek V4 Flash
DeepSeek V4 Flash is a 284B parameter (13B activated) Mixture-of-Experts language model with 1M-token context. Features a hybrid attention architecture combining Compressed Sparse Attention (CSA) and Heavily Compressed Attention (HCA) for efficient long-context inference. Supports thinking and non-thinking modes. Legacy API aliases deepseek-chat and deepseek-reasoner map to this model's non-thinking and thinking modes respectively. Pricing: $0.14/1M input, $0.28/1M output (cache hit: $0.0028/1M input). MIT licensed.