How much does Claude Sonnet 4.5 cost?
Claude Sonnet 4.5 Anthropic speech-to-text API pricing is currently $3.00 (Avg Price) for speech-to-text. That is the public list rate from the llm-stats / ZeroEval feed, not a private contract. Volume discounts, resolution, duration, and voice or seed settings can change the invoice even when the published Avg Price stays the same.
How does Claude Sonnet 4.5 rank on the speech-to-text leaderboard?
Claude Sonnet 4.5 scores -424 on Speech to Text. Win rate is 0% across 2 Speech to Text matches. Pair that arena score with Anthropic speech-to-text API pricing when you pick a model: a slightly lower Magia or ELO can still win if generations are much cheaper.
Is Claude Sonnet 4.5 open source?
No. Claude Sonnet 4.5 is proprietary (Proprietary) and available through Anthropic's API. There is no public weight download, so Anthropic speech-to-text API pricing is the rate that matters for production.
What are the cheapest alternatives to Claude Sonnet 4.5?
Start with GPT Live Transcribe, GPT Transcribe, Whisper Large V3 Turbo. Open a comparison page from this model to see Avg Price and Speech to Text side by side, then jump back to the speech-to-text pricing table and sort by price. The cheapest speech-to-text API is not always the one with the highest arena score.
How do I compare Claude Sonnet 4.5 with another speech-to-text model?
Use the Compare picker on this page, the same control as LLM comparison. Search by model or provider, pick a second model, and AnotherWrapper opens a dedicated Claude Sonnet 4.5 vs page with Avg Price, Speech to Text, license, and release date. Share that URL if you want a second opinion on the matchup.
Where does Claude Sonnet 4.5 pricing data come from?
This page normalizes public llm-stats and ZeroEval arena data for speech-to-text models, then quotes Anthropic speech-to-text API pricing as Avg Price. Prices and scores refresh daily. Private endpoints, promo credits, and committed-use contracts can differ from the public list rate, so treat this as the comparable public number, not your invoice.
When was Claude Sonnet 4.5 released?
Claude Sonnet 4.5 was released on 2025-09-29. Newer speech-to-text models appear first on the speech-to-text pricing table. Release date is useful when you are avoiding a deprecated checkpoint, not when you are picking the cheapest Avg Price.
How fast is Claude Sonnet 4.5?
Claude Sonnet 4.5 has a measured throughput of 149.1 characters per second in the public feed. Real latency still depends on queueing, resolution, and clip length. Throughput is why two models with the same Avg Price can still feel different in production.