# claude-sonnet-5 — API, Pricing & Context Window | Vivgrid

> Source: https://vivgrid.com/docs/models/claude-sonnet-5

claude-sonnet-5 on Vivgrid: Anthropic's latest Sonnet model with a 1M-token context window, Messages API, and geo-distributed acceleration.

`claude-sonnet-5` is Anthropic's latest Sonnet model, delivering near-Opus coding and reasoning quality at a fraction of the price and higher speed. With a **1M-token context window** and lower rates than `claude-sonnet-4-6`, it's the new default workhorse for production agents.

On Vivgrid, `claude-sonnet-5` is geo-distributed across **AMER, EMEA, and APAC** and reachable on the **Messages API** through the same unified key as the rest of the catalog.

<ModelSpec slug="claude-sonnet-5" />

## Ideal use cases

- Everyday coding agents balancing quality, speed, and cost
- High-volume reasoning and content workflows
- Long-context analysis within a 1M-token budget
- Production assistants needing reliable tool use

## Related models

- [claude-fable-5-1](/docs/models/claude-fable-5-1) — Anthropic's most capable model
- [claude-opus-5-5](/docs/models/claude-opus-5-5) — the latest frontier Opus model
- [claude-sonnet-5-5](/docs/models/claude-sonnet-5-5) — the latest Sonnet release