AI21 Jamba 1.5 Large — Free AI Model & API

github-models/ai21-jamba-1-5-large
chat
Get API key →
Context Window 256K
Max Output 0
Rate Limit See provider page
Cost $0.00 FREE
Free Period Since May 20, 2026
Credit Card Not required
Status Online

Overview

Model ID
AI21-Jamba-1.5-Large
Base URL
https://models.inference.ai.azure.com
Specifications
Context: 256K · Output: 0 · Modality: text · OpenAI Compat: Yes

Quick Start

Integrate AI21 Jamba 1.5 Large with 3 lines of code. See the config generator for Claude Code, Cursor, and more.

from openai import OpenAI

client = OpenAI(
 base_url="https://models.inference.ai.azure.com",
 api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
 model="AI21-Jamba-1.5-Large",
 messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)
import OpenAI from "openai";

const openai = new OpenAI({
 baseURL: "https://models.inference.ai.azure.com",
 apiKey: "YOUR_API_KEY",
});

const completion = await openai.chat.completions.create({
 model: "AI21-Jamba-1.5-Large",
 messages: [{ role: "user", content: "Hello!" }],
});

console.log(completion.choices[0].message.content);
curl https://models.inference.ai.azure.com/chat/completions \
 -H "Content-Type: application/json" \
 -H "Authorization: Bearer YOUR_API_KEY" \
 -d '{
 "model": "AI21-Jamba-1.5-Large",
 "messages": [{"role": "user", "content": "Hello!"}]
 }'

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Rate Limits & Constraints

Rate Limit See provider page
Context Window 256K
Max Output Tokens 0
Cost Free — since May 20, 2026
Credit Card Not required
OpenAI Compatible Yes — drop-in replacement

GitHub Models Platform Limitations

  • Low per-request token limits (8K input / 4K output)
  • Rate limits tied to GitHub Copilot subscription tier
  • Not suitable for large-context or long-generation tasks

Features & Use Cases

Best For

Chat

Modality Support

text

GitHub Models Highlights

  • 45+ models including GPT-4.1 and o3
  • Free for all GitHub accounts
  • Includes Llama 4, DeepSeek-R1, Mistral
  • Base URL: models.inference.ai.azure.com

Playground — Test AI21 Jamba 1.5 Large

Test AI21 Jamba 1.5 Large directly in your browser. Your API key is sent directly to GitHub Models — never stored.

Model: AI21 Jamba 1.5 Large Get Key

🔒 Your key is never stored — sent directly to the model provider via our server proxy.

Ready to chat with AI21 Jamba 1.5 Large.

Frequently Asked Questions

How do I get an API key for AI21 Jamba 1.5 Large?

Sign up at GitHub Models to get your API key. No credit card is required — just an email sign-up. Once you have the key, use the code snippets in the Quick Start section above.

Is AI21 Jamba 1.5 Large really free?

Yes. AI21 Jamba 1.5 Large is available on GitHub Models's free tier and has been free since May 20, 2026. Rate limits apply: See provider page. Always check the provider's terms for any changes to the free tier.

What are AI21 Jamba 1.5 Large's rate limits?

See provider page Context window: 256K. Max output: 0. No credit card required.

What are the best free alternatives to AI21 Jamba 1.5 Large?

Popular free alternatives include inclusionAI: Ring-2.6-1T, Baidu Qianfan: CoBuddy (free), Owl Alpha. You can also browse all 147+ free models on our site.

More questions? See our full FAQ →

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