---
title: "Claude Sonnet 5 — API access"
description: "Claude Sonnet 5 API pricing: official $3/$15 per 1M tokens, from $1.20/$6 with the 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):** $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

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

## Notes

- Anthropic lists introductory pricing of $2/$10 per 1M tokens through 2026-08-31; the standard rate is $3/$15.
- Adaptive thinking is on by default when the thinking parameter is omitted.

## 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-5", "max_tokens": 1024, "messages": [{"role": "user", "content": "Hello"}]}'
```

## FAQ

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

The standard official rate is $3 per 1M input tokens and $15 per 1M output tokens (Anthropic lists an introductory $2/$10 through August 2026). apiToken.sale applies your 60–80% discount on top of official spend.

**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