Side-by-side · API pricing
GPT-5.2 Pro vs Claude Sonnet 4.5
GPT-5.2 Pro and Claude Sonnet 4.5 pricing data is being verified. ModelPriceLab tracks both daily — sign up for alerts when either changes.
OpenAI · Anthropic · Verified daily.
Model A
GPT-5.2 Pro
OpenAI
- Input / 1M
- -
- Output / 1M
- $168.00
- Context window
- —
- Platforms tracked
- 1
Model B
Claude Sonnet 4.5
Anthropic
- Input / 1M
- -
- Output / 1M
- $15.00
- Context window
- —
- Platforms tracked
- 1
Per-platform pricing
Both models tracked across official and reseller platforms. Lowest input price wins on cost-sensitive workloads.
GPT-5.2 Pro
- openrouter- / $168.00
Claude Sonnet 4.5
- openrouter- / $15.00
Frequently asked questions
- Which is cheaper, GPT-5.2 Pro or Claude Sonnet 4.5?
- GPT-5.2 Pro and Claude Sonnet 4.5 pricing data is being verified. ModelPriceLab tracks both daily — sign up for alerts when either changes.
- Where does this comparison data come from?
- ModelPriceLab crawls official vendor pricing pages and verified third-party platforms daily. Both GPT-5.2 Pro and Claude Sonnet 4.5 are tracked on the same schedule.
- Can I get notified when either price changes?
- Yes — Pro subscribers receive email alerts when input or output prices change for any tracked model.
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