SmophyAI

Published daily · Next update 02:00 UTC

Real data comparison

DeepSeek: DeepSeek V4 Flash 0423 vs NVIDIA: Nemotron 3 Ultra (free)

On quality, DeepSeek: DeepSeek V4 Flash 0423 leads (34.3 vs 22.9). On price, DeepSeek: DeepSeek V4 Flash 0423 is cheaper ($0.66 vs $1.05 per 1M). In real production usage, DeepSeek: DeepSeek V4 Flash 0423 is used more (rank #4 vs #12 of 388). 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.

  • DeepSeek: DeepSeek V4 Flash 0423
  • NVIDIA: Nemotron 3 Ultra (free)
Quality (Intelligence Index)34.3 / 22.9
Price ($/1M blended)$0.66 / $1.05
Average usage share12.02% / 3.80%
Best provider uptime100.0% / 100.0%
Coding index69.1 / 49.3
Agentic index41 / 20.1
Context window1,048,576 / 262,144
Quality per dollar52.0 pts/$ / 21.8 pts/$

Head-to-head by real task

DeepSeek: DeepSeek V4 Flash 0423 leads 1 of 1 shared task categories by real classified traffic share; NVIDIA: Nemotron 3 Ultra (free) leads 0. Not a benchmark score - this is what developers actually route to each model for, per OpenRouter's task classification.

TaskDeepSeek: DeepSeek V4 Flash 0423NVIDIA: Nemotron 3 Ultra (free)
Repo Scanning4.5%2.5%

Usage share over time

24.64%18.48%12.32%6.16%0.00%Share of usageJul 5Aug 27Oct 20
  • DeepSeek: DeepSeek V4 Flash 0423
  • NVIDIA: Nemotron 3 Ultra (free)

Frequently asked questions

DeepSeek: DeepSeek V4 Flash 0423 vs NVIDIA: Nemotron 3 Ultra (free): which is better quality?

DeepSeek: DeepSeek V4 Flash 0423 scores higher on Artificial Analysis's Intelligence Index (34.3 vs 22.9).

DeepSeek: DeepSeek V4 Flash 0423 vs NVIDIA: Nemotron 3 Ultra (free): which is cheaper?

DeepSeek: DeepSeek V4 Flash 0423 is cheaper at $0.66/1M vs $1.05/1M.

DeepSeek: DeepSeek V4 Flash 0423 vs NVIDIA: Nemotron 3 Ultra (free): which is used more?

DeepSeek: DeepSeek V4 Flash 0423 has higher real OpenRouter usage share (rank #4 vs #12 of 388).

DeepSeek: DeepSeek V4 Flash 0423 vs NVIDIA: Nemotron 3 Ultra (free): 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 October 21, 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.