--- title: "askimo vs book-gpt" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/askimo-ai-askimo-vs-fraserxu-book-gpt" tools: ["askimo-ai-askimo", "fraserxu-book-gpt"] --- # askimo vs book-gpt *GraphCanon updated Aug 15, 2026* ## Verdict Pick askimo when askimo is primarily Kotlin; book-gpt is TypeScript; pick book-gpt when book-gpt is primarily TypeScript; askimo is Kotlin. [askimo](https://askimo.chat) reports 318 GitHub stars, 66 forks, and 19 open issues, last pushed Aug 13, 2026. [book-gpt](https://book-gpt.fraserxu.dev) has 436 stars, 48 forks, and 10 open issues, last pushed Apr 3, 2023. Figures are from public GitHub metadata via [askimo's repository](https://github.com/askimo-ai/askimo) and [book-gpt's repository](https://github.com/fraserxu/book-gpt). | | [askimo](/tools/askimo-ai-askimo.md) | [book-gpt](/tools/fraserxu-book-gpt.md) | | --- | --- | --- | | Tagline | AI Client for chat, RAG, and agents with multi-provider model support. | Upload a book, ask me anything about it. | | Stars | 318 | 436 | | Forks | 66 | 48 | | Open issues | 19 | 10 | | Language | Kotlin | TypeScript | | Adopt for | - | Book-GPT, primarily developed using TypeScript, enables users to upload a book and then interactively query its content. | | Persona | - | - | | Runtime | - | - | | License | AGPL-3.0 | - | | Categories | AI Agents, Data & Retrieval | Data & Retrieval, Evaluation & Observability | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [askimo](/tools/askimo-ai-askimo.md) | [book-gpt](/tools/fraserxu-book-gpt.md) | | --- | --- | --- | | Maintenance | Very active (96%) | Dormant (18%) | | Days since push | 0d | 1229d | | Open issues (now) | 19 | 10 | | Stars delta | Unknown | 0 (30d) | | Open issues delta | Unknown | 0 (30d) | | Owner type | Organization | User | | Full report | [trust report](/tools/askimo-ai-askimo/trust.md) | [trust report](/tools/fraserxu-book-gpt/trust.md) | ## Decision facts: askimo - **Pricing:** unknown - The pricing information on the Askimo repository is not specified. ## Decision facts: book-gpt - **Adopt for:** Book-GPT, primarily developed using TypeScript, enables users to upload a book and then interactively query its content. ## Choose when ### Choose askimo if… - askimo is primarily Kotlin; book-gpt is TypeScript. - Pricing: The pricing information on the Askimo repository is not specified.. - Tags unique to askimo: agentic-workflow, ai-assistant, artificial-intelligence, chat-client. - Also covers AI Agents. - Use for Kotlin developers who need to integrate chat and AI agents with multi-provider support including Claude, Codex, Gemini, and OpenAI. ### Choose book-gpt if… - book-gpt is primarily TypeScript; askimo is Kotlin. - Tags unique to book-gpt: typescript. - Also covers Evaluation & Observability. - When you need an interactive way to explore the content of specific books with detailed queries. ## When NOT to use askimo - Avoid if you require a solution that supports languages other than Kotlin, as Askimo is exclusively built for Kotlin environments. - Not suitable if your project has strict licensing requirements and requires proprietary code, due to its AGPL-3.0 license which might impose restrictions. ## When NOT to use book-gpt - If your project requires customization across various development libraries, since Book-GPT is specifically developed in TypeScript. - When support for multiple formats beyond those currently available in the project is required; this indicates ongoing work to expand format compatibility. ## Common questions ### What is the difference between askimo and book-gpt? askimo: AI Client for chat, RAG, and agents with multi-provider model support.. book-gpt: Upload a book, ask me anything about it.. See the comparison table for live GitHub stats and shared categories. ### When should I choose askimo over book-gpt? Choose askimo over book-gpt when askimo is primarily Kotlin; book-gpt is TypeScript; Pricing: The pricing information on the Askimo repository is not specified.; Tags unique to askimo: agentic-workflow, ai-assistant, artificial-intelligence, chat-client; Also covers AI Agents; Use for Kotlin developers who need to integrate chat and AI agents with multi-provider support including Claude, Codex, Gemini, and OpenAI. ### When should I choose book-gpt over askimo? Choose book-gpt over askimo when book-gpt is primarily TypeScript; askimo is Kotlin; Tags unique to book-gpt: typescript; Also covers Evaluation & Observability; When you need an interactive way to explore the content of specific books with detailed queries. ### When should I avoid askimo? Avoid if you require a solution that supports languages other than Kotlin, as Askimo is exclusively built for Kotlin environments. Not suitable if your project has strict licensing requirements and requires proprietary code, due to its AGPL-3.0 license which might impose restrictions. ### When should I avoid book-gpt? If your project requires customization across various development libraries, since Book-GPT is specifically developed in TypeScript. When support for multiple formats beyond those currently available in the project is required; this indicates ongoing work to expand format compatibility. ### Is askimo or book-gpt more popular on GitHub? book-gpt has more GitHub stars (436 vs 318). Stars measure visibility, not whether either tool fits your constraints. ### Are askimo and book-gpt open source? Yes - both are open-source projects on GitHub. ### Where can I find alternatives to askimo or book-gpt? GraphCanon lists graph-backed alternatives at [askimo alternatives](/tools/askimo-ai-askimo/alternatives) and [book-gpt alternatives](/tools/fraserxu-book-gpt/alternatives) ([askimo markdown twin](/tools/askimo-ai-askimo/alternatives.md), [book-gpt markdown twin](/tools/fraserxu-book-gpt/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/askimo-ai-askimo-vs-fraserxu-book-gpt.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, askimo or book-gpt? askimo: Very active. book-gpt: Dormant. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for askimo and book-gpt? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [askimo trust report](/tools/askimo-ai-askimo/trust); [book-gpt trust report](/tools/fraserxu-book-gpt/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=askimo-ai-askimo`](/api/graphcanon/graph?tool=askimo-ai-askimo) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_