Cumbersome: AI LLM API Client

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Cumbersome is an AI LLM API client designed for users who require direct control over their interactions with large language models. Developed by Folding Sky Co, it serves as a versatile tool for accessing major providers such as OpenAI, Anthropic, Google AI Studio, and OpenRouter, as well as custom OpenAI-compatible endpoints like Ollama and LM Studio. The application emphasizes privacy by design, syncing conversations via iCloud without storing data on developer servers.

Key capabilities include the ability to tune API parameters, switch providers mid-conversation, and compare models head-to-head in parallel streams. Users can manage rich conversations with Markdown, LaTeX, code blocks, and attachments. Advanced features support local browser use, web search, image generation, and running JavaScript or HTML directly within chats. The app offers extensive customization through chat themes, reading fonts, folder organization, and system message presets. Core functionality is free, with an optional Pro subscription for advanced project tools; users pay providers directly for API usage.

Aspectos destacados

Supports multiple major providers (OpenAI, Anthropic, Google) and custom endpoints (Ollama, Azure).

Enables parallel model comparison and granular parameter tuning for precise control.

Features rich conversation editing with Markdown, LaTeX, code blocks, and local browser integration.

Actualizaciones de versión

Versión 1.75.0

feat(api-parameters): add values to existing arrays feat(project-files): save directly and surface unfinished files in chat feat(project-files): improve native file browsing and recovery feat(files): add syntax highlighted source previews feat(projects): add editable files, review, and version history feat(chat): let users keep Incognito chats in Timeline fix(ios): keep landscape chat and drawer controls usable fix(markdown): scroll wide tables without excess spacing fix(ui): simplify file deletion and clarify send button states fix(project-files): expose created files and refine presentation fix(project-files): clarify cloud failures and simplify discard fix(ios): align file sheets and support large text perf(chat): reuse iOS transcript pairing during text updates perf(chat): defer offscreen iOS streaming row snapshots

3/10/2026 · Apple App Store · iOS · Ver fuente

Versión 1.73.0

feat(windows): support independent iPad chat windows fix(projects): allow sidebar deletion while preserving chats fix(cache): preserve attachment and MCP prompt stability fix(cache): stabilize annotation JSON in conversation history fix(cache): stabilize request JSON and tool history fix(ai): omit automatic Anthropic and Face/Off temperatures fix(background): preserve tool progress and advance iOS handoff

21/9/2026 · Apple App Store · iOS · Ver fuente

Versión 1.72.0

feat(speech): read replies aloud during generation feat(chat): add remembered Save and Restart action feat(settings): analytics and synced opt-out fix(custom-providers): support HTTP .internal endpoints fix(chat): restore sidebar actions for newly synced conversations fix(shortcuts): enable OpenCode Go requests from Spotlight fix(attachments): enforce image upload limits in pixels fix(macos): enable image-only paste in the composer

14/9/2026 · Apple App Store · iOS · Ver fuente

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