Model
Claude Sonnet 4.5
Balanced Claude model for coding, analysis, agent workflows, and cost control
3 providersreleased knowledge cutoff 2025-07-31closed weights
$3
best input /M · Anthropic
$15
best output /M
200K
context window
64K
max output
Compare providers (sorted by listed input price)
| Provider | Input /M | Output /M | Cache read /M | Cache write /M | Context | Capabilities | Status | Updated |
|---|---|---|---|---|---|---|---|---|
| Anthropic claude-sonnet-4-5-20250929 | $3 | $15 | $0.3 | $3.75 | 1M | reasoningtoolsstructuredvision | Sep 29, 2025 | |
| LLM Gateway anthropic/claude-sonnet-4-5-20250929 | $3 | $15 | $0.3 | $3.75 | 200K | reasoningtoolsstructuredvision | Sep 29, 2025 | |
| Merge Gateway anthropic/claude-sonnet-4-5-20250929 | $3 | $15 | $0.3 | $3.75 | 200K | reasoningtoolsstructuredvision | Sep 29, 2025 |
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Prices are per million tokens (USD). “—” means the provider does not publicly list a price for this model. Data from models.dev; verify with the provider before purchasing.