claude-opus-4-7

Anthropicanthropicopenai

claude-opus-4-7 is a Anthropic chat and completion model you can call through flatkey.ai's OpenAI-compatible API. On flatkey it runs at $3 per 1M input tokens — about 40% below the $5 official list price, and $15 per 1M output tokens. One API key covers GPT, Claude, Gemini, DeepSeek, Seedance and 500+ other models, so you can switch models without changing SDKs or juggling separate accounts. Billing is prepaid with live usage analytics and a single invoice, which keeps spend predictable as you scale.

Get your API keySave ~40% vs official pricing
30-day success rate
Throughput
First-token latency
Requests (30 days)

Pricing

Input
List price $5
$3/ 1M tokens
Output
List price $25
$15/ 1M tokens
Cache read
List price $0.5
$0.3/ 1M tokens
Cache write
List price $6.25
$3.75/ 1M tokens

Specifications

Provider
Anthropic
Modality
Text / chat
Access
OpenAI-compatible API
Endpoints
anthropic, openai

How to use the claude-opus-4-7 API

  1. 1
    Create a flatkey.ai account and API key
    Sign up for free, then generate an API key in the console. New accounts get bonus credit on their first top-up.
  2. 2
    Point your OpenAI client at flatkey
    Set base_url to https://router.flatkey.ai/v1 and use your flatkey key as the API key. No other code changes are needed — the API is OpenAI-compatible.
  3. 3
    Call claude-opus-4-7
    Send a request with model set to "claude-opus-4-7" using the OpenAI SDK or curl. Copy a ready-to-run example below.
API example
curl "https://router.flatkey.ai/v1/chat/completions" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $FLATKEY_API_KEY" \
  -d '{"model":"claude-opus-4-7","messages":[{"role":"user","content":"Say hello in one sentence."}]}'

claude-opus-4-7 vs similar models

ModelInput / 1M
claude-opus-4-7$3
claude-opus-4-5$3
claude-opus-4-6$3
claude-opus-4-8$3

Availability (last 30 days)

Frequently asked questions

How much does the claude-opus-4-7 API cost?

On flatkey.ai, claude-opus-4-7 costs $3 per 1M input tokens and $15 per 1M output tokens, roughly 40% below the official list price. Top up $200 and get $100 free to stretch the budget further.

Is claude-opus-4-7 OpenAI-compatible?

Yes. Keep your existing OpenAI SDK, switch base_url to https://router.flatkey.ai/v1, and use your flatkey key. The model id stays "claude-opus-4-7".

Is claude-opus-4-7 free to use?

Usage is pay-as-you-go, but priced well below the official list (about 40% cheaper), and new accounts receive bonus credit on their first top-up, so you can start testing at low cost.

How do I get an API key for claude-opus-4-7?

Sign up on flatkey.ai, create an API key in the console, and add prepaid balance. You can start calling claude-opus-4-7 in minutes.

What other models can I use with the same key?

One flatkey key gives you GPT, Claude, Gemini, DeepSeek, Seedance and 500+ other models through a single OpenAI-compatible endpoint and one invoice.

How reliable is claude-opus-4-7 on flatkey?

We publish the live 30-day success rate, throughput and latency for claude-opus-4-7 directly on this page, updated from real traffic.

More Anthropic models

Start building with claude-opus-4-7

One OpenAI-compatible key, prepaid billing, and bonus credit on your first top-up. Sign up in under a minute.

Get your API key