Compare · ModelsLive · 2 picked · head to head

GPT-3.5 Turbo (older v0613) vs GPT-5

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

Winner summary

GPT-5 wins 3 of 3 shared benchmarks. Leads in knowledge · math · coding.

Category leads
knowledge·GPT-5math·GPT-5coding·GPT-5
Hype vs Reality
GPT-3.5 Turbo (older v0613)
#111 by perf·no signal
QUIET
GPT-5
#74 by perf·no signal
QUIET
Best value
3.2x better value than GPT-5
GPT-3.5 Turbo (older v0613)
30.5 pts/$
$1.50/M
GPT-5
9.7 pts/$
$5.63/M
Vendor risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
Head to head
GPT-3.5 Turbo (older v0613)GPT-5
GPQA diamond
GPT-5 leads by +78.7
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
GPT-5
81.6
MATH level 5
GPT-5 leads by +86.5
MATH Level 5 · the hardest tier of the MATH benchmark, featuring competition-level problems from AMC, AIME, and Olympiad-style mathematics.
GPT-3.5 Turbo (older v0613)
11.6
GPT-5
98.1
WeirdML
GPT-5 leads by +57.2
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
GPT-5
60.7
Full benchmark table
BenchmarkGPT-3.5 Turbo (older v0613)GPT-5
GPQA diamond
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
2.981.6
MATH level 5
MATH Level 5 · the hardest tier of the MATH benchmark, featuring competition-level problems from AMC, AIME, and Olympiad-style mathematics.
11.698.1
WeirdML
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
3.560.7
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
OpenAI logoGPT-5$1.25$10.00400K tokens (~200 books)$34.38