SmophyAI

Published daily · Next update 02:00 UTC

Real data comparison

DeepSeek: DeepSeek V4 Pro 0423 vs OpenAI: GPT-5.6 Sol (batch)

On quality, OpenAI: GPT-5.6 Sol (batch) leads (60.9 vs 53.2). On price, DeepSeek: DeepSeek V4 Pro 0423 is cheaper ($1.98 vs $4.00 per 1M). In real production usage, DeepSeek: DeepSeek V4 Pro 0423 is used more (rank #7 vs #24 of 312).

  • DeepSeek: DeepSeek V4 Pro 0423
  • OpenAI: GPT-5.6 Sol (batch)
Quality (Intelligence Index)53.2 / 60.9
Price ($/1M blended)$1.98 / $4.00
Average usage share4.47% / 0.99%
Best provider uptime100.0% / 100.0%
Coding index68.8 / 77.4
Agentic index49.6 / 57.8
Context window1,048,576 / 1,050,000
Quality per dollar26.9 pts/$ / 15.2 pts/$

Usage share over time

7.35%5.51%3.68%1.84%0.00%Share of usageJul 5Jul 31Aug 27
  • DeepSeek: DeepSeek V4 Pro 0423
  • OpenAI: GPT-5.6 Sol (batch)

Frequently asked questions

DeepSeek: DeepSeek V4 Pro 0423 vs OpenAI: GPT-5.6 Sol (batch): which is better quality?

OpenAI: GPT-5.6 Sol (batch) scores higher on Artificial Analysis's Intelligence Index (60.9 vs 53.2).

DeepSeek: DeepSeek V4 Pro 0423 vs OpenAI: GPT-5.6 Sol (batch): which is cheaper?

DeepSeek: DeepSeek V4 Pro 0423 is cheaper at $1.98/1M vs $4.00/1M.

DeepSeek: DeepSeek V4 Pro 0423 vs OpenAI: GPT-5.6 Sol (batch): which is used more?

DeepSeek: DeepSeek V4 Pro 0423 has higher real OpenRouter usage share (rank #7 vs #24 of 312).

Source: OpenRouter (openrouter.ai/rankings), as of August 28, 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.