Official DeepSeek V4 Flash release with enhanced agentic capabilities and integrated DSpark speculative decoding
https://openrouter.ai/api/v1 deepseek/deepseek-v4-flash-0731:free | Benchmark | Score | Metric | Date |
|---|---|---|---|
| Terminal-Bench | 82.7 | pass@1 | Not listed |
| NL2Repo | 54.2 | resolve rate | 2026-07-31 |
| CyberGym | 76.7 | score | 2026-07-31 |
| DeepSWE | 54.4 | resolve rate | 2026-07-31 |
DeepSeek: DeepSeek V4 Flash 0731 (free) is listed for chat workloads and supports a 1.0M context window.
Use it when OpenRouter's free tier is enough for evaluation, demos, or light production traffic.
We found 2 provider listings for deepseek-v4-flash-0731. Check model ID, quota, pricing, and API format before switching providers.
| Provider | Model listing | Access | Context | API | Limits |
|---|---|---|---|---|---|
| | DeepSeek: DeepSeek V4 Flash 0731 (free) | Free tier | 1.0M | OpenAI-style | 200 req/day (free tier) |
| | deepseek-ai/deepseek-v4-flash-0731 | Free tier | 1.3M | OpenAI-style | Up to 40 RPM |
| Model | Provider | Context | Access |
|---|---|---|---|
| deepseek-ai/deepseek-v4-flash-0731 | NVIDIA NIM | 1.3M | Free tier |
| inclusionAI: Ling 3.0 Flash VL (free) | OpenRouter | 262K | Free tier |
| Nex AGI: Nex-N2.5-Mini (free) | OpenRouter | 262K | Free tier |
| Nex AGI: Nex-N2.5-Pro (free) | OpenRouter | 262K | Free tier |
| inclusionAI: Ling 3.0 Flash Sante (free) | OpenRouter | 262K | Free tier |
DeepSeek: DeepSeek V4 Flash 0731 (free) is tagged for chat in this catalog and works with OpenAI-compatible client libraries.
DeepSeek: DeepSeek V4 Flash 0731 (free) is listed with free API access on OpenRouter, subject to the provider's quota and account policy.
The model ID shown in this catalog is deepseek/deepseek-v4-flash-0731:free.
The listed free tier limit is 200 req/day (free tier). Limits can change per account tier, so confirm against the provider dashboard.
The listed context window is 1.0M tokens with up to 393K output tokens.
Official DeepSeek V4 Flash release with enhanced agentic capabilities and integrated DSpark speculative decoding
For API keys, setup steps, and provider-level limits, see the OpenRouter provider page.