SmophyAI

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Real data comparison

DeepSeek: DeepSeek V4.1 Flash (batch) vs OpenAI: GPT-6 Astra (batch)

On quality, OpenAI: GPT-6 Astra (batch) leads (52.7 vs 39.5). On price, DeepSeek: DeepSeek V4.1 Flash (batch) is cheaper ($0.20 vs $20.00 per 1M). In real production usage, DeepSeek: DeepSeek V4.1 Flash (batch) is used more (rank #4 vs #33 of 353). Across 6 real task categories where both models have classified traffic, DeepSeek: DeepSeek V4.1 Flash (batch) handles more of the traffic in 5 of them.

  • DeepSeek: DeepSeek V4.1 Flash (batch)
  • OpenAI: GPT-6 Astra (batch)
Quality (Intelligence Index)39.5 / 52.7
Price ($/1M blended)$0.20 / $20.00
Average usage share10.69% / 0.86%
Best provider uptime100.0% / 100.0%
Context window1,048,576 / 1,050,000
Quality per dollar197.5 pts/$ / 2.6 pts/$

Head-to-head by real task

DeepSeek: DeepSeek V4.1 Flash (batch) leads 5 of 6 shared task categories by real classified traffic share; OpenAI: GPT-6 Astra (batch) leads 1. Not a benchmark score - this is what developers actually route to each model for, per OpenRouter's task classification.

TaskDeepSeek: DeepSeek V4.1 Flash (batch)OpenAI: GPT-6 Astra (batch)
Debugging17.0%2.0%
File I/O14.9%2.3%
Repo Scanning13.7%3.7%
Code Review9.2%1.6%
Tool Dispatch9.1%11.3%
Data Transformation3.4%2.4%

Usage share over time

18.62%13.97%9.31%4.66%0.00%Share of usageSep 5Sep 13Sep 22
  • DeepSeek: DeepSeek V4.1 Flash (batch)
  • OpenAI: GPT-6 Astra (batch)

Frequently asked questions

DeepSeek: DeepSeek V4.1 Flash (batch) vs OpenAI: GPT-6 Astra (batch): which is better quality?

OpenAI: GPT-6 Astra (batch) scores higher on Artificial Analysis's Intelligence Index (52.7 vs 39.5).

DeepSeek: DeepSeek V4.1 Flash (batch) vs OpenAI: GPT-6 Astra (batch): which is cheaper?

DeepSeek: DeepSeek V4.1 Flash (batch) is cheaper at $0.20/1M vs $20.00/1M.

DeepSeek: DeepSeek V4.1 Flash (batch) vs OpenAI: GPT-6 Astra (batch): which is used more?

DeepSeek: DeepSeek V4.1 Flash (batch) has higher real OpenRouter usage share (rank #4 vs #33 of 353).

DeepSeek: DeepSeek V4.1 Flash (batch) vs OpenAI: GPT-6 Astra (batch): which wins more real-world task categories?

DeepSeek: DeepSeek V4.1 Flash (batch) handles more traffic in 5 of 6 shared task categories where both models have classified OpenRouter usage.

Source: OpenRouter (openrouter.ai/rankings), as of September 23, 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.