Compare · ModelsLive · 2 picked · head to head

GPT-3.5 Turbo (older v0613) vs Grok 4

Side by side · benchmarks, pricing, and signals you can act on.

Winner summary

Grok 4 wins 2 of 2 shared benchmarks. Leads in knowledge · coding.

Category leads
knowledge·Grok 4coding·Grok 4
Hype vs Reality
GPT-3.5 Turbo (older v0613)
#111 by perf·no signal
QUIET
Grok 4
#73 by perf·no signal
QUIET
Best value
5.0x better value than Grok 4
GPT-3.5 Turbo (older v0613)
30.5 pts/$
$1.50/M
Grok 4
6.1 pts/$
$9.00/M
Vendor risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
xAI logo
xAI
$250.0B·Tier 1
Medium risk
Head to head
GPT-3.5 Turbo (older v0613)Grok 4
GPQA diamond
Grok 4 leads by +79.8
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
GPT-3.5 Turbo (older v0613)
2.9
Grok 4
82.7
WeirdML
Grok 4 leads by +42.3
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
GPT-3.5 Turbo (older v0613)
3.5
Grok 4
45.7
Full benchmark table
BenchmarkGPT-3.5 Turbo (older v0613)Grok 4
GPQA diamond
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
2.982.7
WeirdML
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
3.545.7
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
OpenAI logoGPT-3.5 Turbo (older v0613)$1.00$2.004K tokens (~2 books)$12.50
xAI logoGrok 4$3.00$15.00256K tokens (~128 books)$60.00