SmophyAI

Published daily · Next update 02:00 UTC

Real data comparison

OpenAI: GPT-5.6 Sol (batch) vs SpaceXAI: Grok 4.5

On quality, OpenAI: GPT-5.6 Sol (batch) leads (60.9 vs 55.8). On price, SpaceXAI: Grok 4.5 is cheaper ($3.00 vs $11.25 per 1M). In real production usage, OpenAI: GPT-5.6 Sol (batch) is used more (rank #28 vs #30 of 291).

  • OpenAI: GPT-5.6 Sol (batch)
  • SpaceXAI: Grok 4.5
Quality (Intelligence Index)60.9 / 55.8
Price ($/1M blended)$11.25 / $3.00
Average usage share0.81% / 0.65%
Best provider uptime100.0% / 100.0%
Coding index77.4 / 72.4
Agentic index57.8 / 48.9
Context window1,050,000 / 500,000
Quality per dollar5.4 pts/$ / 18.6 pts/$

Usage share over time

1.32%0.99%0.66%0.33%0.00%Share of usageJul 9Jul 24Aug 8
  • OpenAI: GPT-5.6 Sol (batch)
  • SpaceXAI: Grok 4.5

Frequently asked questions

OpenAI: GPT-5.6 Sol (batch) vs SpaceXAI: Grok 4.5: which is better quality?

OpenAI: GPT-5.6 Sol (batch) scores higher on Artificial Analysis's Intelligence Index (60.9 vs 55.8).

OpenAI: GPT-5.6 Sol (batch) vs SpaceXAI: Grok 4.5: which is cheaper?

SpaceXAI: Grok 4.5 is cheaper at $3.00/1M vs $11.25/1M.

OpenAI: GPT-5.6 Sol (batch) vs SpaceXAI: Grok 4.5: which is used more?

OpenAI: GPT-5.6 Sol (batch) has higher real OpenRouter usage share (rank #28 vs #30 of 291).

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.