- Score
- 8.6 (-0.17 points)
- Total Cost (Current Price)
- $0.061 · 89.8% cheaper
- Response Time (avg)
- 7.51s · 77.2% faster
DeepSeek
Release: 2026-09-10
Tested on: 2026-10-01 04:37
deepseek/deepseek-v4.1-flash::medium
748B total (16B active)MoEOpen source
Summary
DeepSeek V4.1 Flash scores 8.7 on AI BENCHY and ranks #65. It has 9.6 reliability, a 73.9% pass rate, $0.591 total cost, and 32.88s average response time.
What makes DeepSeek V4.1 Flash unique: It stands out most in Puzzle Solving, where it ranks #4, while Data parsing and extraction is its weakest area at #15.
Recommended alternatives
We recommend choosing one of these models instead:
- Score
- 9.4 (+0.62 points)
- Total Cost (Current Price)
- $0.183 · 69.1% cheaper
- Response Time (avg)
- 6.24s · 81.0% faster
- Score
- 9.6 (+0.81 points)
- Total Cost (Current Price)
- $0.460 · 22.2% cheaper
- Response Time (avg)
- 7.15s · 78.3% faster
Model facts
Researched on 2026-09-10
- Parameters
- 748B total (16B active)
- Architecture
- MoE
- Availability
- Open source
- License
- MIT
Total is 552B backbone plus 196B Engram conditional-memory parameters. Active count is 16B during decode; prefill activates 8B per token. The exact checkpoint includes MIT-licensed weights and a runnable inference implementation.
8.7
Consistency
9.3
9.6
Total Output Tokens
444,665
Total Input Tokens
280,643
Input Price
$0.013 / 1M
Output Price
$1.320 / 1M
Cache Read Price
$0.013 / 1M
Cache Write Price
N/A
Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.
Flaky tests
2
Flaky tests had mixed outcomes across runs (at least one pass and one fail).
Hamster playing table tennis
Prompt: Create a detailed SVG illustration of a hamster playing table tennis.
#65 DeepSeek V4.1 Flash
medium- Cost
- $0.014
- Time
- 34.7s
- Tokens
- 11,541 tok
Price History
Historical pricing data for this model from OpenRouter.
| Date | Input Price | Output Price | Cache Read Price | Cache Write Price |
|---|---|---|---|---|
| 2026-10-06 14:54 | $0.013 / 1M | $1.320 / 1M | $0.013 / 1M | N/A |
Charts
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Top Models by Score
Score vs Total Cost
Response Time (avg)
Score vs Response Time (avg)
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Score vs Total Output Tokens
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Category Breakdown
| Category | Score | Consistency | Tests Correct |
|---|---|---|---|
| Agentic | 10.0 | 10.0 | |
| Anti-AI Tricks | 8.3 | 10.0 | |
| Coding | 10.0 | 10.0 | |
| Combined | 10.0 | 10.0 | |
| Data parsing and extraction | 6.5 | 10.0 | |
| Domain specific | 2.9 | 7.2 | |
| General Intelligence | 10.0 | 10.0 | |
| Instructions following | 10.0 | 10.0 | |
| Puzzle Solving | 8.7 | 7.7 | |
| Tool Calling | 10.0 | 10.0 | |
| Trivia | 3.0 | 10.0 |