SmophyAI

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Real data comparison

Claude Opus 5 (batch) vs DeepSeek: DeepSeek V4 Flash 0423

On quality, Claude Opus 5 (batch) leads (63.1 vs 51.8). On price, DeepSeek: DeepSeek V4 Flash 0423 is cheaper ($0.11 vs $10.00 per 1M). In real production usage, DeepSeek: DeepSeek V4 Flash 0423 is used more (rank #1 vs #16 of 291). Across 1 real task categories where both models have classified traffic, DeepSeek: DeepSeek V4 Flash 0423 handles more of the traffic in 1 of them.

  • Claude Opus 5 (batch)
  • DeepSeek: DeepSeek V4 Flash 0423
Quality (Intelligence Index)63.1 / 51.8
Price ($/1M blended)$10.00 / $0.11
Average usage share1.68% / 12.91%
Best provider uptime99.9% / 100.0%
Coding index78 / 69.1
Agentic index59.2 / 48.4
Context window1,000,000 / 1,048,576
Quality per dollar6.3 pts/$ / 460.4 pts/$

Head-to-head by real task

Claude Opus 5 (batch) leads 0 of 1 shared task categories by real classified traffic share; DeepSeek: DeepSeek V4 Flash 0423 leads 1. Not a benchmark score - this is what developers actually route to each model for, per OpenRouter's task classification.

TaskClaude Opus 5 (batch)DeepSeek: DeepSeek V4 Flash 0423
Code Generation3.0%19.7%

Usage share over time

23.98%17.99%11.99%6.00%0.00%Share of usageJul 5Jul 22Aug 8
  • Claude Opus 5 (batch)
  • DeepSeek: DeepSeek V4 Flash 0423

Frequently asked questions

Claude Opus 5 (batch) vs DeepSeek: DeepSeek V4 Flash 0423: which is better quality?

Claude Opus 5 (batch) scores higher on Artificial Analysis's Intelligence Index (63.1 vs 51.8).

Claude Opus 5 (batch) vs DeepSeek: DeepSeek V4 Flash 0423: which is cheaper?

DeepSeek: DeepSeek V4 Flash 0423 is cheaper at $0.11/1M vs $10.00/1M.

Claude Opus 5 (batch) vs DeepSeek: DeepSeek V4 Flash 0423: which is used more?

DeepSeek: DeepSeek V4 Flash 0423 has higher real OpenRouter usage share (rank #1 vs #16 of 291).

Claude Opus 5 (batch) vs DeepSeek: DeepSeek V4 Flash 0423: which wins more real-world task categories?

DeepSeek: DeepSeek V4 Flash 0423 handles more traffic in 1 of 1 shared task categories where both models have classified OpenRouter usage.

Source: OpenRouter (openrouter.ai/rankings), as of August 9, 2026.

Benchmark scores: Artificial Analysis (artificialanalysis.ai) via OpenRouter (openrouter.ai/rankings).

Methodology: smophy.ai/benchmark/methodology

Token counts originate from each provider's own tokenizer and are not directly comparable across providers.