Compare · ModelsLive · 2 picked · head to head
GPT-3.5 Turbo (older v0613) vs Gemini 2.5 Pro
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Gemini 2.5 Pro wins on 3/3 benchmarks
Gemini 2.5 Pro wins 3 of 3 shared benchmarks. Leads in knowledge · math · coding.
Category leads
knowledge·Gemini 2.5 Promath·Gemini 2.5 Procoding·Gemini 2.5 Pro
Hype vs Reality
Attention vs performance
GPT-3.5 Turbo (older v0613)
#111 by perf·no signal
Gemini 2.5 Pro
#61 by perf·no signal
Best value
GPT-3.5 Turbo (older v0613)
3.1x better value than Gemini 2.5 Pro
GPT-3.5 Turbo (older v0613)
30.5 pts/$
$1.50/M
Gemini 2.5 Pro
10.0 pts/$
$5.63/M
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
Google DeepMind
$4.00T·Tier 1
Head to head
3 benchmarks · 2 models
GPT-3.5 Turbo (older v0613)Gemini 2.5 Pro
GPQA diamond
Gemini 2.5 Pro leads by +77.5
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
Gemini 2.5 Pro
80.4
MATH level 5
Gemini 2.5 Pro leads by +83.9
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
Gemini 2.5 Pro
95.6
WeirdML
Gemini 2.5 Pro leads by +50.6
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
Gemini 2.5 Pro
54.0
Full benchmark table
| Benchmark | GPT-3.5 Turbo (older v0613) | Gemini 2.5 Pro |
|---|---|---|
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 2.9 | 80.4 |
MATH level 5 MATH Level 5 · the hardest tier of the MATH benchmark, featuring competition-level problems from AMC, AIME, and Olympiad-style mathematics. | 11.6 | 95.6 |
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 3.5 | 54.0 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $1.00 | $2.00 | 4K tokens (~2 books) | $12.50 | |
| $1.25 | $10.00 | 1.0M tokens (~524 books) | $34.38 |