Anthropic: claude-sonnet-4-5-20250929

claude-sonnet-4-5-20250929 is Anthropic's general-purpose model. Text input. Served over 2 channels — same weights, same context window as going direct.

Modalities
inTextoutText
Price / 1M
$0.13 / $0.65
Context
Knowledge cutoff

Channels

Same weights on every channel. Requests route to the cheapest healthy one; the channel used is printed on each billing line.

Provider
Discount
Input /M
Output /M
Cache Read /M
Cache Create 5m /M
Cache Create 1h /M
Codecheap
$0.13
$0.65
$0.01
$0.16
$0.26
Defaultstable
$0.39
$1.94
$0.04
$0.48
$0.77

Cost Calculator

Pick a channel and a usage scenario, then drag to your workload — each scenario assumes a different prompt-cache hit rate.

Channel
Scenario
Unit $0.13 / $0.65 /1MDaily chat: 40% cache hit assumed · cache read $0.01 /1M
On MirAPI$38.89/ moCreate an API key

Showcase

Three fixed prompts, identical for every chat model. Outputs are archived verbatim — copy the prompt to reproduce.

Task prompt · identical for all models
Build a single-file HTML page using three.js from a CDN: a low-poly planet with a tilted ring of ~200 orbiting particles, a soft key light plus rim light, slow auto-rotation, and drag-to-orbit controls. No build tools — one file only.
Archived output
Archive not published yet

Every model will run this exact prompt; the output lands here verbatim, with tokens and per-run cost.

Quick Start

import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.mirapi.ai/v1",   # changed
    api_key=os.environ["MIRAPI_API_KEY"],   # changed
)

resp = client.chat.completions.create(
    model="anthropic/claude-sonnet-4-5-20250929",
    messages=[{"role": "user", "content": "Hello"}],
)
Wire claude-sonnet-4-5-20250929 into your product

1M free tokens to start · no card · OpenAI-compatible, one base_url change

Start free