Compare · ModelsLive · 2 picked · head to head
Claude Opus 4.5 vs GPT-3.5 Turbo (older v0613)
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Claude Opus 4.5 wins on 2/2 benchmarks
Claude Opus 4.5 wins 2 of 2 shared benchmarks. Leads in knowledge · coding.
Category leads
knowledge·Claude Opus 4.5coding·Claude Opus 4.5
Hype vs Reality
Attention vs performance
Claude Opus 4.5
#113 by perf·no signal
GPT-3.5 Turbo (older v0613)
#111 by perf·no signal
Best value
GPT-3.5 Turbo (older v0613)
10.1x better value than Claude Opus 4.5
Claude Opus 4.5
3.0 pts/$
$15.00/M
GPT-3.5 Turbo (older v0613)
30.5 pts/$
$1.50/M
Vendor risk
Who is behind the model
Anthropic
$380.0B·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
2 benchmarks · 2 models
Claude Opus 4.5GPT-3.5 Turbo (older v0613)
GPQA diamond
Claude Opus 4.5 leads by +78.5
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Claude Opus 4.5
81.4
GPT-3.5 Turbo (older v0613)
2.9
WeirdML
Claude Opus 4.5 leads by +60.2
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
Claude Opus 4.5
63.7
GPT-3.5 Turbo (older v0613)
3.5
Full benchmark table
| Benchmark | Claude Opus 4.5 | GPT-3.5 Turbo (older v0613) |
|---|---|---|
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 81.4 | 2.9 |
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 63.7 | 3.5 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $5.00 | $25.00 | 200K tokens (~100 books) | $100.00 | |
| $1.00 | $2.00 | 4K tokens (~2 books) | $12.50 |
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