Kagi FastGPT
kagi.com
AI-powered instant answer feature within the Kagi search engine.
Quick Information
- Category:
- Research & Search
- Pricing:
- Contact Sales
- Platforms:
- Web
- API Available:
- Yes
- Last Verified:
- September 2026
What Is Kagi FastGPT?
Kagi FastGPT is a summarizer API built for one-shot RAG (retrieval-augmented generation) calls, distinct from the main Kagi search subscription and priced separately through pre-paid API credits managed in Kagi's API billing settings. Pricing isn't published as fixed tiers — the general Kagi Search API runs $15-25 per 1,000 queries as of 2026, and FastGPT itself requires contacting Kagi directly for a custom quote since it's designed for programmatic, developer-focused usage rather than individual subscriptions.
Its core value is providing fast, single-call summarization grounded in real-time search results — a genuinely useful building block for developers building applications that need quick, sourced answers without running a full multi-step RAG pipeline themselves, leveraging Kagi's underlying ad-free search infrastructure as the retrieval layer.
It's aimed at developers building applications needing fast, search-grounded summarization via API, with the credit-based, contact-for-quote pricing model reflecting its positioning as a developer/API product distinct from the consumer Kagi search subscription. See our Research tools directory for the related Kagi consumer search subscription.
What Can You Use Kagi FastGPT For?
One-shot RAG summarization
Provides fast, single-call summarization grounded in real-time search results.
Developer-facing search API
Gives developers programmatic access to Kagi’s search infrastructure via API.
Application-embedded search answers
Powers applications needing quick, sourced answers without building a full RAG pipeline.
Kagi FastGPT Features
- One-shot RAG calls — Handles summarization in a single API call rather than a multi-step pipeline.
- Pre-paid API credits — Uses a pre-paid credit system managed through Kagi’s API billing settings.
- Search-grounded answers — Grounds summarization output in real-time search results from Kagi’s infrastructure.
Who Is Kagi FastGPT For?
- Developers — Builds applications needing fast, search-grounded summarization without a custom RAG pipeline.
- Businesses embedding search features — Uses FastGPT’s API for programmatic, sourced answers within their own products.
Kagi FastGPT Pros & Limitations
What We Like
- Genuinely useful building block for developers avoiding a custom multi-step RAG pipeline
- Leverages Kagi’s ad-free search infrastructure as a grounded retrieval layer
- Pre-paid credit system offers usage-based flexibility for developers
Limitations
- No fixed public pricing tiers — requires contacting Kagi directly for a custom quote
- Separate product and billing from the consumer Kagi search subscription
- Best suited to developers with API integration needs rather than individual searchers
Kagi FastGPT Pricing
| Plan | Price | Main Features |
|---|---|---|
| Pay-as-you-go API credits | Custom quote (Search API ~$15-25/1,000 queries) | One-shot RAG summarization |
Pricing was last verified September 2026. Check the official website for the latest pricing.
AI Listing Jungle Ranking
- Global Rank:
- #734
- Overall Score:
- 15.1/100
- Monthly Users:
- –
- Rank Change:
- ▼ 1
This ranking reflects AI Listing Jungle's own independent scoring methodology and is not an endorsement by Kagi FastGPT or its company. How Our Rankings Work
Frequently Asked Questions
Is Kagi FastGPT the same as Kagi search?
No, it’s a separate developer-facing summarizer API distinct from the consumer Kagi search subscription.
How is FastGPT priced?
Through pre-paid API credits, with pricing requiring a custom quote from Kagi directly.
What is FastGPT built for?
One-shot RAG (retrieval-augmented generation) calls for fast, search-grounded summarization.
Who uses Kagi FastGPT?
Developers building applications that need quick, sourced answers via API.
Our Take
FastGPT's one-shot RAG design genuinely simplifies building search-grounded summarization into an application compared to a custom multi-step pipeline.
As a separate developer product from consumer Kagi search, budgeting requires a direct quote rather than a published price list.
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