Claude Sonnet 4.5 20250929 by ANTHROPIC
anthropic/claude-sonnet-4.5-20250929Set up the model and run your first generation.
Ctrl ⏎Claude Opus 4.8$5.00/$25.00 · 1MClaude Opus 4.8 AWS$5.00/$25.00 · 1MClaude Haiku 4.5 20251001$1.00/$5.00 · 1MClaude Haiku 4.5 20251001 AWS$1.00/$5.00 · 1MClaude Haiku 4.5 20251001 Coding$1.00/$5.00 · 1MClaude Opus 4 20250514$15.00/$75.00 · 1MClaude Opus 4 20250514 Coding$15.00/$75.00 · 1MClaude Opus 4.1 20250805$15.00/$75.00 · 1M
Questions
- $3.00 per 1M input tokens and $15.00 per 1M output tokens on ElliSekiz — the provider's own price, billed 1:1 from a prepaid USD balance with no markup and no subscription. Failed generations are free.
- POST to https://ellisekiz.ai/api/v1/generations with "model": "anthropic/claude-sonnet-4.5-20250929" and your prompt, authenticated with an ElliSekiz API token. The API tab on this page has the full request for this model, including its own parameters.
$3.00 in / $15.00 out per 1M tokens · billed 1:1 at provider cost · compare providers