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

Not enough overlapping benchmarks to declare a winner yet · Claude Opus 4.5 · GPT-4 are still filling in scores.

Hype vs Reality
Claude Opus 4.5
#113 by perf·no signal
QUIET
GPT-4
#21 by perf·no signal
QUIET
Best value
2.0x better value than GPT-4
Claude Opus 4.5
3.0 pts/$
$15.00/M
GPT-4
1.5 pts/$
$45.00/M
Vendor risk
Anthropic logo
Anthropic
$380.0B·Tier 1
Medium risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
Anthropic logoClaude Opus 4.5$5.00$25.00200K tokens (~100 books)$100.00
OpenAI logoGPT-4$30.00$60.008K tokens (~4 books)$375.00