Real data comparison
DeepSeek: DeepSeek V4 Flash 0423 vs DeepSeek: DeepSeek V4.1 Flash (batch)
On price, DeepSeek: DeepSeek V4 Flash 0423 is cheaper ($0.11 vs $0.26 per 1M). In real production usage, DeepSeek: DeepSeek V4.1 Flash (batch) is used more (rank #2 vs #4 of 404). Across 18 real task categories where both models have classified traffic, DeepSeek: DeepSeek V4.1 Flash (batch) handles more of the traffic in 14 of them.
- DeepSeek: DeepSeek V4 Flash 0423
- DeepSeek: DeepSeek V4.1 Flash (batch)
Head-to-head by real task
DeepSeek: DeepSeek V4 Flash 0423 leads 4 of 18 shared task categories by real classified traffic share; DeepSeek: DeepSeek V4.1 Flash (batch) leads 14. Not a benchmark score - this is what developers actually route to each model for, per OpenRouter's task classification.
| Task | DeepSeek: DeepSeek V4 Flash 0423 | DeepSeek: DeepSeek V4.1 Flash (batch) |
|---|---|---|
| Repo Scanning | 6.7% | 37.6% |
| Web Search | 4.9% | 35.1% |
| Tool Dispatch | 3.1% | 30.0% |
| Code Review | 2.7% | 28.5% |
| SQL & Database | 2.1% | 26.3% |
| Research & Reports | 3.9% | 23.7% |
| Math | 1.7% | 17.4% |
| Translation | 4.5% | 19.0% |
| Conversation | 12.5% | 26.7% |
| Customer Support | 2.5% | 10.5% |
| Data Extraction | 4.3% | 10.7% |
| Classification | 2.5% | 8.0% |
| Data Transformation | 8.2% | 13.0% |
| Finance & Trading | 1.2% | 6.0% |
| Memory Extraction | 21.1% | 19.4% |
| Summarization | 7.0% | 5.5% |
| Content Writing | 16.8% | 16.4% |
| Roleplay & Fiction | 24.0% | 23.8% |
Usage share over time
- DeepSeek: DeepSeek V4 Flash 0423
- DeepSeek: DeepSeek V4.1 Flash (batch)
Frequently asked questions
DeepSeek: DeepSeek V4 Flash 0423 vs DeepSeek: DeepSeek V4.1 Flash (batch): which is better quality?
Quality data is unavailable for one or both models.
DeepSeek: DeepSeek V4 Flash 0423 vs DeepSeek: DeepSeek V4.1 Flash (batch): which is cheaper?
DeepSeek: DeepSeek V4 Flash 0423 is cheaper at $0.11/1M vs $0.26/1M.
DeepSeek: DeepSeek V4 Flash 0423 vs DeepSeek: DeepSeek V4.1 Flash (batch): which is used more?
DeepSeek: DeepSeek V4.1 Flash (batch) has higher real OpenRouter usage share (rank #2 vs #4 of 404).
DeepSeek: DeepSeek V4 Flash 0423 vs DeepSeek: DeepSeek V4.1 Flash (batch): which wins more real-world task categories?
DeepSeek: DeepSeek V4.1 Flash (batch) handles more traffic in 14 of 18 shared task categories where both models have classified OpenRouter usage.
Source: OpenRouter (openrouter.ai/rankings), as of November 7, 2026.
Benchmark scores: Artificial Analysis (artificialanalysis.ai) via OpenRouter (openrouter.ai/rankings).
Methodology: www.smophy.ai/benchmark/methodology
Token counts originate from each provider's own tokenizer and are not directly comparable across providers.