SmophyAI

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Real data comparison

DeepSeek: DeepSeek V4 Pro 0423 vs DeepSeek: DeepSeek V4.1 Flash (batch)

On quality, DeepSeek: DeepSeek V4.1 Flash (batch) leads (39.5 vs 36). On price, DeepSeek: DeepSeek V4.1 Flash (batch) is cheaper ($0.52 vs $1.98 per 1M). In real production usage, DeepSeek: DeepSeek V4.1 Flash (batch) is used more (rank #3 vs #14 of 373). Across 1 real task categories where both models have classified traffic, DeepSeek: DeepSeek V4.1 Flash (batch) handles more of the traffic in 1 of them.

  • DeepSeek: DeepSeek V4 Pro 0423
  • DeepSeek: DeepSeek V4.1 Flash (batch)
Quality (Intelligence Index)36 / 39.5
Price ($/1M blended)$1.98 / $0.52
Average usage share3.21% / 14.38%
Best provider uptime100.0% / 100.0%
Context window1,048,576 / 1,048,576
Quality per dollar18.2 pts/$ / 75.2 pts/$

Head-to-head by real task

DeepSeek: DeepSeek V4 Pro 0423 leads 0 of 1 shared task categories by real classified traffic share; DeepSeek: DeepSeek V4.1 Flash (batch) leads 1. Not a benchmark score - this is what developers actually route to each model for, per OpenRouter's task classification.

TaskDeepSeek: DeepSeek V4 Pro 0423DeepSeek: DeepSeek V4.1 Flash (batch)
Roleplay & Fiction2.8%8.0%

Usage share over time

32.33%24.24%16.16%8.08%0.00%Share of usageJul 5Aug 21Oct 8
  • DeepSeek: DeepSeek V4 Pro 0423
  • DeepSeek: DeepSeek V4.1 Flash (batch)

Frequently asked questions

DeepSeek: DeepSeek V4 Pro 0423 vs DeepSeek: DeepSeek V4.1 Flash (batch): which is better quality?

DeepSeek: DeepSeek V4.1 Flash (batch) scores higher on Artificial Analysis's Intelligence Index (39.5 vs 36).

DeepSeek: DeepSeek V4 Pro 0423 vs DeepSeek: DeepSeek V4.1 Flash (batch): which is cheaper?

DeepSeek: DeepSeek V4.1 Flash (batch) is cheaper at $0.52/1M vs $1.98/1M.

DeepSeek: DeepSeek V4 Pro 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 #3 vs #14 of 373).

DeepSeek: DeepSeek V4 Pro 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 1 of 1 shared task categories where both models have classified OpenRouter usage.

Source: OpenRouter (openrouter.ai/rankings), as of October 9, 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.