Compare · ModelsLive · 2 picked · head to head
Claude Opus 4.5 vs GPT-4
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GPT-4 wins on 0/0 benchmarks
Not enough overlapping benchmarks to declare a winner yet · Claude Opus 4.5 · GPT-4 are still filling in scores.
Hype vs Reality
Attention vs performance
Claude Opus 4.5
#179 by perf·#7 by attention
GPT-4
#24 by perf·no signal
Best value
Claude Opus 4.5
1.8x better value than GPT-4
Claude Opus 4.5
2.8 pts/$
$15.00/M
GPT-4
1.5 pts/$
$45.00/M
Vendor risk
Who is behind the model
Anthropic
$965.0B·Tier 1
OpenAI
$840.0B·Tier 1
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 | |
| $30.00 | $60.00 | 8K tokens (~4 books) | $375.00 |
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