DeepSeek: V4.1 Flash Fast
DeepSeek V4.1 Flash model for reasoning and agentic coding
Price changes
Cheapest list input/output only. Rates move rarely, so this is an event log. Down means cheaper. Showing the 8 latest changes.
- ↓ lowerInput $0.3 → $0.01
Sources
Same model, different sources. Our first-party rate is listed first, then router and aggregator rows stay separate so you can see the spread instead of a single blended number.
| Source | Provider | Input | Output | Cache read | Context |
|---|---|---|---|---|---|
| LiteLLMcheapestcoralbricks/deepseek-v4.1-flash-fast | N/A | $0.01 | $1.20 | $0 | N/A |
| LiteLLMcheapestdeepseek-v4.1-flash-fast | N/A | $0.01 | $1.20 | $0 | N/A |
| LiteLLMrefuseless/deepseek-v4.1-flash-fast | N/A | $0.05 | $0.15 | $0.003 | N/A |
| models.devdeepseek/deepseek-v4.1-flash-fast | CommandCode | $0.16 | $0.58 | $0.016 | 1M |
| models.devdeepseek-v4.1-flash-fast | CoralBricks | $0.25 | $1.20 | $0.005 | 1.0M |
| models.devdeepseek/deepseek-v4.1-flash-fast | Vercel AI Gateway | $0.6 | $2.40 | $0.014 | 1.0M |
| models.devdeepseek-ai/DeepSeek-V4.1-Flash-Fast | Baseten | $0.6 | $2.40 | $0.014 | 1.0M |
| models.devdeepseek-v4.1-flash:fast | Inco | $0.6 | $2.40 | $0.012 | 1M |
| models.devdeepseek-v4.1-flash-fast | Wally | $0.6 | $2.40 | $0.014 | 1.0M |
| LiteLLMdeepseek-ai/DeepSeek-V4.1-Flash-Fast | N/A | $0.6 | $2.40 | $0.014 | N/A |
| LiteLLMDeepSeek-V4.1-Flash-Fast | N/A | $0.6 | $2.40 | $0.014 | N/A |
Capabilities
- Reasoning
- Tool calling
- Structured output
- Attachments
- Open weights
- In: text
- In: image
- Out: text
Scores
Sparse coverage on purpose. Missing a score means we have not linked one yet, not that the model is unranked. Hover or tap the i next to any score for its source. Full boards on /benchmarks.
- AA intelligence39.5i
- AA coding0i
- AA agentic0i
- DeepSWE v1.174.2i
- Terminal-Bench v3.030i
- HLE (without tools)36.8i
- HLE (with tools)63.9i
- Terminal Bench 2.190.6i
- NL2Repo64i
- Cybergym88.1i
- Agents' Last Exam31.8i
- AutomationBench (Public)54.8i
- GPQA Diamond90.9i
Arena rows are community-vote Elo from Arena AI, Artificial Analysis indices arrive via OpenRouter, and launch-eval figures are collected from vendor announcements, analyst writeups, and community benchmarks. Full boards and credits on /benchmarks.
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