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Model

Owl Alpha

Openrouter Owl Alpha — pricing, 1049k context window, API cost calculator and alternatives.

By Openrouter

🔧 Tools Function calling — the model can structure responses as tool calls with typed arguments. Reliability differs between providers. Glossary → {} JSON Forces output to be valid JSON, reducing parse errors. Some providers also let you constrain to a schema. Glossary →
Context window Maximum tokens (input + output) the model can process in a single request. Glossary →
1,048,756
tokens
Input price What the model charges for tokens you send (prompt + context). Glossary →
$0.0000
per 1M tokens
Output price What the model charges for tokens it generates. Usually 3–5× pricier than input. Glossary →
$0.0000
per 1M tokens

Specs

Provider
Openrouter
Slug
openrouter/owl-alpha
Capabilities
tools, json_mode

Pricing freshness

Tier
standard
Currency
USD
As of
2026-05-08 17:08 UTC
Estimate monthly cost → See alternatives to Owl Alpha →

Pricing history

Tracking Owl Alpha pricing since 2026-05-08. We'll plot the chart here once it changes.

Quickstart — call Owl Alpha 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/owl-alpha",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

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 Owl Alpha?

Owl Alpha is a large language model API from Openrouter with a 1M-token context window. It costs $0 per 1M input tokens and $0 per 1M output tokens.

How much does Owl Alpha cost?

Owl Alpha 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 Owl Alpha?

Owl Alpha supports up to 1M tokens of context per request — roughly 2098 pages of English text or 131095 lines of code at a typical density.

Does Owl Alpha support vision, tool use, or JSON mode?

Owl Alpha supports tool/function calling and structured JSON mode. It does not support image input (vision).

Who makes Owl Alpha?

Owl Alpha 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 Owl Alpha?

Owl Alpha is API-only — its weights are not publicly distributed by Openrouter, so it cannot be self-hosted today.

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