Free Models Router
Openrouter Free Models Router — pricing, 200k context window, API cost calculator and alternatives.
By Openrouter
Specs
- Provider
- Openrouter
- Slug
- openrouter/free
- Capabilities
- vision, tools, json_mode
Pricing freshness
- Tier
- standard
- Currency
- USD
- As of
- 2026-05-08 17:08 UTC
Pricing history
Tracking Free Models Router pricing since 2026-05-08. We'll plot the chart here once it changes.
Quickstart — call Free Models Router from your app
curl https://openrouter.ai/api/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $OPENROUTER_API_KEY" \
-d '{
"model": "openrouter/free",
"messages": [{"role": "user", "content": "Hello!"}]
}'Official docs: https://openrouter.ai/docs
# pip install openai
from openai import OpenAI
client = OpenAI(
base_url="https://openrouter.ai/api/v1",
api_key=os.environ["OPENROUTER_API_KEY"],
)
resp = client.chat.completions.create(
model="openrouter/free",
messages=[{"role": "user", "content": "Hello!"}],
)
print(resp.choices[0].message.content)Official docs: https://openrouter.ai/docs
// npm install openai
import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://openrouter.ai/api/v1",
apiKey: process.env.OPENROUTER_API_KEY,
});
const resp = await client.chat.completions.create({
model: "openrouter/free",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(resp.choices[0].message.content);Official docs: https://openrouter.ai/docs
Related models
Similar capabilities, context window, and price tier — drawn from across the catalog so you can compare alternatives in one click.
Frequently asked questions
What is Free Models Router?
Free Models Router is a large language model API from Openrouter with a 200k-token context window. It costs $0 per 1M input tokens and $0 per 1M output tokens.
How much does Free Models Router cost?
Free Models Router is priced at $0 per 1M input tokens and $0 per 1M output tokens via the Openrouter API. A 50/50 input/output workload of 1M total tokens costs about $0.
What is the context window of Free Models Router?
Free Models Router supports up to 200k tokens of context per request — roughly 400 pages of English text or 25000 lines of code at a typical density.
Does Free Models Router support vision, tool use, or JSON mode?
Free Models Router supports vision, tool/function calling, and structured JSON mode.
Who makes Free Models Router?
Free Models Router is built and operated by Openrouter. Pricing, context window, and capabilities on this page are refreshed nightly from Openrouter's public catalog.
Can I self-host Free Models Router?
Free Models Router is API-only — its weights are not publicly distributed by Openrouter, so it cannot be self-hosted today.