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Claude Sonnet 4.5

QiHang

Claude Sonnet 4.5 by QiHang costs $0.43 per 1M input tokens and $2.14 per 1M output tokens, with a 200K-token context window.

Pricing

Input (per 1M tokens)
$0.43
Output (per 1M tokens)
$2.14
Cached input (per 1M)
—

Specifications

Provider
QiHang
Context window
200K tokens
Parameters
—
Released
Sep 2025
Open weights
No
Frontier model
No

Compare Claude Sonnet 4.5 with…

Claude Sonnet 4.5 vs GPT-5.2$2.00/1MClaude Sonnet 4.5 vs GPT-5-Mini$0.29/1MClaude Sonnet 4.5 vs Claude Haiku 4.5$0.71/1MClaude Sonnet 4.5 vs Claude Opus 4.5$3.57/1MClaude Sonnet 4.5 vs GPT-5.2 Codex$1.14/1MClaude Sonnet 4.5 vs Gemini 2.5 Flash$0.71/1M

FAQ

Pricing is per 1M tokens (USD); confirm with the provider before production use.