---
title: "Claude Sonnet 5 — API access"
description: "Claude Sonnet 5 API pricing: official $2/$10 per 1M tokens, $1/$5 with the flat 50% apiToken.sale discount. Near-Opus coding quality at Sonnet cost."
url: "https://apitoken.sale/models/claude-sonnet-5"
language: "en"
---
# Claude Sonnet 5

Claude Sonnet 5 brings near-Opus quality to coding and agentic work at 40% of the Opus token price — the best default for most development workloads.

- **Model ID:** `claude-sonnet-5`
- **Tier:** Sonnet
- **Context window:** 1M tokens
- **Max output:** 128K tokens
- **Official price (per 1M):** $2 input / $10 output
- **Your price (per 1M):** input $1, output $5 (flat 50% off)
- **Base URL:** `https://router.apitoken.sale` · **Endpoint:** `POST /v1/messages`

## Best for

- Day-to-day coding — the default in most editors.
- Agentic workflows where Opus cost is not justified.
- High-volume production API traffic.

## Notes

- Official $2/$10 per 1M tokens is the permanent Sonnet 5 tariff; Anthropic cancelled the 2026-09-01 flip to $3/$15.
- Adaptive thinking is on by default when the thinking parameter is omitted.

## Call it

```bash
curl https://router.apitoken.sale/v1/messages \
  -H "x-api-key: $APITOKEN_API_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -H "content-type: application/json" \
  -d '{"model": "claude-sonnet-5", "max_tokens": 1024, "messages": [{"role": "user", "content": "Hello"}]}'
```

## FAQ

**How much does the Claude Sonnet 5 API cost?**

Officially $2 per 1M input tokens and $10 per 1M output tokens. Anthropic cancelled the planned 2026-09-01 increase to $3/$15, so this is the current standard rate. apiToken.sale applies the flat 50% discount: $1/$5.

**What is the model ID for Claude Sonnet 5?**

claude-sonnet-5 — use it as-is in the Anthropic SDK, Claude Code, Cursor, Cline or any compatible tool.

**Is Sonnet 5 good enough for coding?**

For most coding it is the sweet spot: near-Opus quality on agentic and editing tasks at a much lower per-token price. Route only the hardest reasoning to Opus.

---
API reference: https://apitoken.sale/md/docs · All models: https://apitoken.sale/md/models