---
title: "Claude Opus 5 — API access"
description: "Claude Opus 5 API pricing: official $5/$25 per 1M tokens, $2.50/$12.50 with the flat 50% apiToken.sale discount. The newest Opus on the same Anthropic API."
url: "https://apitoken.sale/models/claude-opus-5"
language: "en"
---
# Claude Opus 5

Claude Opus 5 is Anthropic's newest Opus — the July 2026 flagship for agentic coding, long-horizon tasks and hard reasoning, at the same token price as Opus 4.8.

- **Model ID:** `claude-opus-5`
- **Tier:** Opus
- **Context window:** 1M tokens
- **Max output:** 128K tokens
- **Official price (per 1M):** $5 input / $25 output
- **Your price (per 1M):** input $2.5, output $12.5 (flat 50% off)
- **Base URL:** `https://api.apitoken.sale` · **Endpoint:** `POST /v1/messages`

## Best for

- Agentic coding in Claude Code, Cursor and Cline — the new default.
- Long-horizon autonomous tasks and complex refactors.
- The hardest reasoning, planning and review work.

## Notes

- Same $5/$25 tariff as Opus 4.8 — a capability upgrade at no price change.
- Fast mode (research preview, ~2.5× speed) bills $10/$50 per 1M on requests that use it.
- Adaptive thinking is the recommended mode; thinking tokens bill as output.

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

## FAQ

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

Officially $5 per 1M input tokens and $25 per 1M output tokens — unchanged from Opus 4.8. On apiToken.sale the same requests cost 50% less: $2.50/$12.50 at the flat discount applied to every call.

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

claude-opus-5. Use it unchanged with the Anthropic SDK, Claude Code, Cursor or any compatible tool pointed at https://api.apitoken.sale.

**Opus 5 or Fable 5?**

Opus 5 is the default for almost everything — top-tier agentic quality at half the Fable token price. Route to Fable 5 only the longest-horizon runs where its edge is worth 2× the tokens.

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