DeepSeek V4.1 Flash
Public AI IQ model profile with source-backed benchmark results and derived ranking context.
IQ
113
EQ
n/a
Effective Cost
$1.1882
IQ Rank
#50
DeepSeek V4.1 Flash API pricing — full price table, workload cost examples, and cheaper alternatives.
IQ Dimensions
| Dimension | IQ | Coverage |
|---|---|---|
| Abstract Reasoning | 98 | 0/3 |
| Mathematical Reasoning | 108 | 0/5 |
| Academic Reasoning | 132 | 0/6 |
| Programmatic Reasoning | 120 | 0/6 |
| Computer Use | 120 | 0/6 |
| Reliability | 101 | 0/7 |
Benchmark Results
| Benchmark | Score | Dimension |
|---|
Compare
Frequently Asked Questions
- What is the IQ of DeepSeek V4.1 Flash?
- DeepSeek V4.1 Flash has an estimated IQ of 113, which ranks #50 out of 135 public models on the AI IQ leaderboard. The score combines six equally weighted reasoning dimensions, each measured from source-backed benchmark results.
- How much does DeepSeek V4.1 Flash cost?
- DeepSeek V4.1 Flash costs $0.30 per million input tokens and $1.20 per million output tokens. Adjusted for how many tokens it actually consumes on real tasks, its effective cost works out to $1.19 per million input-plus-output tokens.
- Is DeepSeek V4.1 Flash open source?
- Yes — DeepSeek V4.1 Flash is an open-weights model: its trained weights are published, so it can be downloaded and self-hosted.
- When was DeepSeek V4.1 Flash released?
- DeepSeek V4.1 Flash was publicly released on September 10, 2026.
- How large is the context window of DeepSeek V4.1 Flash?
- DeepSeek V4.1 Flash supports a context window of 1,000,000 tokens — the amount of text it can consider in a single request.
- How fast is DeepSeek V4.1 Flash?
- In independent measurements, DeepSeek V4.1 Flash generates about 190 tokens per second, with a typical response time of about 14 seconds.