anthropic/claude-opus-4.8-fast idOpus 4.8 is a focused upgrade to Opus 4.7 and is Anthropic's best generally available model for coding, agentic tasks, and enterprise workflows. It builds on the strengths of previous Opus models with stronger performance on complex, multi-step coding tasks. Anthropic recommends using it on long-horizon coding and agentic tasks. It is also stronger on professional work, including document drafting, data analysis, and presentations.
# Drop-in OpenAI-compatible client$ import { generateText } from 'ai'$$ const { text } = await generateText({$ model: 'anthropic/claude-opus-4.8-fast',$ baseURL: 'https://synapse.garden/api/v1',$ apiKey: process.env.MG_KEY,$ prompt: 'Why is the sky blue?',$ })
| Rate | Per million tokens · USD |
|---|---|
| Input | $11.00/M |
| Output | $55.00/M |
| Cache read | $1.10/M |
| Cache write | $13.75/M |
Use the OpenAI or Anthropic SDK and point baseURL at https://synapse.garden/api/v1. Set model: ‘anthropic/claude-opus-4.8-fast’ and supply your Synapse Garden API key. No code changes beyond the base URL.
Input: $11.00/M per million tokens. Output: $55.00/M per million tokens. The free tier includes a million tokens every month at no cost.
claude-opus-4.8-fast supports a context window of 1M tokens, with a maximum output of 128K tokens.
No. Synapse Garden is the single API surface — one key gives you OpenAI, Anthropic, Google, Meta, Mistral, DeepSeek, xAI, Cohere, and more. Billing, rate limits, and audit logs are unified.
Sign up, create a key, drop our base URL into your existing client. The free tier includes a million tokens every month — no credit card.