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claude-sonnet-4-5 API pricing & access
claude-sonnet-4-5 API pricing: $3.3 per 1M tokens. Compare supported endpoints, capabilities and access options on New API.
claude-sonnet-4-5 API access
Balanced Claude model for coding, analysis, agent workflows, and cost control
Compare supported API endpoints and capabilities, then access claude-sonnet-4-5 through the unified API gateway.
- Category
- text
- Supported APIs
- Anthropic Messages API, OpenAI Chat Completions API
- API endpoints
- POST /v1/messages, POST /v1/chat/completions
claude-sonnet-4-5 API pricing
- Base input price
- $3.3 per 1M tokens
- Base output price
- $16.5 per 1M tokens
Base prices are shown in USD before group-specific adjustments. Open the live pricing page for current access-group prices.