Which is cheaper, Claude Sonnet 4.5 or Nova 2?
Claude Sonnet 4.5 currently shows the lower Avg Price: $3.00 vs N/A for Nova 2. That is the public Anthropic speech-to-text API pricing versus Deepgram speech-to-text API pricing. Duration, resolution, and voice settings can still flip the invoice.
Which ranks higher, Claude Sonnet 4.5 or Nova 2?
Nova 2 currently leads on Speech to Text: -424 for Claude Sonnet 4.5 vs -248 for Nova 2. Rank and price move independently, so the cheaper speech-to-text model is not automatically the weaker one.
Is Claude Sonnet 4.5 or Nova 2 open source?
Claude Sonnet 4.5 is proprietary (Proprietary). Nova 2 is proprietary (Proprietary). Open-weight models can be self-hosted; proprietary ones are billed only through the provider API on this page.
How do I switch the models in this Claude Sonnet 4.5 vs Nova 2 comparison?
Use the model pickers at the top of this page. Search any speech-to-text model in the index and the URL updates to a new comparison, the same way LLM comparison pages work. Open either model from the sidebar for the single-model Avg Price page.
What data is used for Claude Sonnet 4.5 vs Nova 2?
This comparison uses public llm-stats and ZeroEval arena data for speech-to-text models, then normalizes Avg Price, Speech to Text, license, and release date inside AnotherWrapper. Treat the numbers as comparable public list rates, not a quote from either vendor.