---
title: "Claude Sonnet 4.6 — API access"
description: "Claude Sonnet 4.6 API pricing: official $3/$15 per 1M tokens, from $1.20/$6 with the apiToken.sale discount. Proven balanced model on the same Anthropic API."
url: "https://apitoken.sale/models/claude-sonnet-4-6"
language: "en"
---
# Claude Sonnet 4.6

Claude Sonnet 4.6 is the previous-generation balanced model — a proven workhorse for coding and production pipelines, at the same list price as Sonnet 5.

- **Model ID:** `claude-sonnet-4-6`
- **Tier:** Sonnet
- **Context window:** 1M tokens
- **Max output:** 128K tokens
- **Official price (per 1M):** $3 input / $15 output
- **Your price (per 1M):** input $1.2 → $0.6, output $6 → $3 (60%–80% off)
- **Base URL:** `https://api.apitoken.sale` · **Endpoint:** `POST /v1/messages`

## Best for

- Pipelines tuned and evaluated against Sonnet 4.6.
- Balanced coding and content workloads.
- Teams migrating gradually to Sonnet 5.

## Notes

- Same list price as Sonnet 5 — new projects should usually start on claude-sonnet-5.
- Supports adaptive thinking; effort defaults to high.

## Call it

```bash
curl https://api.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-4-6", "max_tokens": 1024, "messages": [{"role": "user", "content": "Hello"}]}'
```

## FAQ

**How much does the Claude Sonnet 4.6 API cost?**

Officially $3 per 1M input tokens and $15 per 1M output tokens. With the apiToken.sale discount that starts at $1.20/$6 and reaches $0.60/$3.

**Sonnet 4.6 or Sonnet 5?**

They share a list price, and Sonnet 5 is stronger on coding and agentic work — prefer it for new projects. Stay on 4.6 when your prompts and evals are pinned to it.

**Can I switch models without a new key?**

Yes. One key and one prepaid balance cover every supported Claude model — switching is just a model-ID change.

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