Claude Sonnet 4.6
⧉Claude Sonnet 4.6 strikes an excellent balance between capability and speed, excelling at everyday chat, code and agents at a great price. Fully OpenAI-API compatible: set model to claude-sonnet-4-6 and you are connected.
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Try out Claude Sonnet 4.6 right here (available after login)。
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About Claude Sonnet 4.6
Claude Sonnet 4.6 is Anthropic's balanced-tier chat and coding model, tuned to sit between deep reasoning, response speed, and running cost. It is strong at multi-turn conversation, code generation and review, and long-context document work. On NezhaGate it is served through an OpenAI-compatible API: point your base_url at NezhaGate, set the model to claude-sonnet-4-6, and reuse your existing OpenAI SDK. Billing is pay-as-you-go, and failed requests are not charged.
Use cases
Generate functions, refactor snippets, locate bugs, and explain fixes as a day-to-day pair-programming assistant.
Summarize, extract from, and answer questions over contracts, papers, and technical manuals while staying coherent across long context.
Power multi-turn support and knowledge-base bots that balance answer quality against per-call cost.
Pull fields from emails, tickets, or web pages and return clean JSON for downstream workflows.
Expand, rewrite, translate, and adjust the tone of copy with a healthy quality-to-throughput ratio.
How to choose
Pick Claude Sonnet 4.6 when your workload is everyday chat, coding, and moderate reasoning and you want to keep costs in check — it is the most balanced of the three Claude models NezhaGate serves. For deeper reasoning, code engineering or agent orchestration switch to Claude Opus 5; for narrative and long-form writing switch to Claude Fable 5. For the hardest reasoning or large code projects you can also step up to GPT-5.6 Sol or Gemini 3.1 Pro, or drop to Gemini 3.6 Flash Low or GPT-5.6 Luna when you need lower latency for high-volume, lightweight calls. All three Claude models share one endpoint — just change the model field.
FAQ
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