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ThatGPT v2.5.0

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@Satan2049 Satan2049 released this 22 Jun 22:38
v2.5.0
edc96ed

ThatGPT v2.5.0

Release date: 2026-06-20
Platform: Windows x64 (desktop)

ThatGPT v2.5.0 is the first GitHub-ready release after the full ChatGPT-style rebrand and feature roadmap. It ships a complete local desktop chat experience for OpenAI-compatible APIs and Ollama — with agent tools, knowledge base RAG, image generation, and power-user workflows.

Highlights

  • ChatGPT-like shell — Sidebar nav, pill composer, model selector, icon message actions
  • Projects — Custom instructions, file sources, project workspace
  • English & Persian — UI language + automatic message text direction
  • Onboarding — Short first-run tour (language, tips)
  • Multi-provider — OpenAI-compatible profiles + Ollama out of the box
  • Agent tools — Web search, knowledge base search, image analysis, audio analysis, image generation (gpt-image-1 / DALL·E / Flux)
  • Local RAG — Chunking, embeddings (Ollama or API), citations in assistant replies
  • Power user — Branching, fork, templates, bookmarks, command palette, usage analytics
  • Polish — Skeleton loaders, j/k navigation, cost estimates, desktop notifications, update check

Download

Artifact Notes
ThatGPT-2.5.0-windows-x64-portable.exe No installer; run directly
ThatGPT_2.5.0_x64-setup.exe NSIS installer (per-user)

Get both from GitHub Releases — v2.5.0.

Verify with SHA256.txt — see docs/TRUST.md.

What's new since v2.2.0

Models & providers

  • Header model selector with capability badges (Vision, Image Gen, Tools, Reasoning, Embedding, Audio)
  • Multiple provider profiles — switch OpenAI-compatible APIs and local Ollama
  • Per-conversation last_model memory; advanced flyout (temperature, max tokens, system override)
  • Token usage footer with context bar and estimated cost (editable price table in Settings → Storage)
  • Slash commands — /new, /clear, /model, /export, /temp, /help, /prompt

Knowledge & library

  • Library page — browse all attachments with filters (images / files)
  • Local knowledge base (feature-flagged) — folder indexing, chunking, embeddings, top-k retrieval
  • Citation markers [1] in markdown with clickable source links
  • Improved PDF and DOCX text extraction

Agent & multimodal

  • web_search tool (DuckDuckGo) when enabled in settings
  • search_knowledge_base tool when knowledge base is on
  • generate_image tool — LLM requests image creation like ChatGPT; uses configured image-gen model
  • Vision (analyze attached images) separate from Image Gen (create images)
  • Tool call inspector — expandable JSON per tool round

Conversation management

  • Ctrl+K search modal with grouped results (Today, Yesterday, …)
  • Pin, archive, rename, ChatGPT-style context menu, folders/projects
  • Settings → Advanced — RAG, tools, usage in collapsible sections
  • Ephemeral (temporary) chat — nothing written to disk
  • Draggable sidebar resize (220–360px), collapse persisted

Productivity

  • Message bookmarking and filter view
  • Fork conversation from any message; inline branch picker on regenerate
  • Conversation templates — save and start from presets
  • Share as HTML export; copy entire thread as Markdown
  • Command palette actions (> prefix in Ctrl+K)
  • Raw API prompt viewer (dev mode)
  • Local usage analytics (tokens over time)

UX & accessibility

  • Empty chat state with logo and suggestion chips
  • Smart scroll + “↓ New messages” chip during streaming
  • Message edit, retry on failure, compact hover icon actions (copy, share, regenerate)
  • LaTeX (KaTeX) and Mermaid diagrams in markdown
  • Drag-and-drop / paste images; per-conversation draft persistence
  • Skeleton loaders; j/k message navigation
  • Styled confirm modals; header overflow menu
  • prefers-reduced-motion; focus traps; aria-live streaming region
  • Desktop notifications when generation completes
  • Check for updates (GitHub releases API)
  • First-run onboarding and Persian/English with auto RTL/LTR per message

Rebrand & packaging

  • Product identity ThatGPT (com.thatgpt.desktop)
  • Rust crate renamed to that-gpt — process shows as ThatGPT.exe / that-gpt.exe
  • Legacy data migration from com.chatnest.desktop on first launch
  • Theme key migration (chatnest-theme → thatgpt-theme)

Upgrade notes

  1. First launch may copy data from %APPDATA%\com.chatnest.desktop\ if present.
  2. Settings live at %APPDATA%\com.thatgpt.desktop\.env.
  3. Enable optional features in Settings:
    • Web search
    • Local knowledge base + embedding model
    • Dev mode (raw prompt viewer)
    • Model prices for cost estimates
  4. For image generation, set an image-gen model (e.g. gpt-image-1) in Providers and use a tools-capable chat model.

VirusTotal

## VirusTotal reports (v2.5.0)
- NSIS installer: https://www.virustotal.com/gui/file/b5f15ed3b73760183aba1cd279a048c31e6b43fc3192ac4e59006d1a38ab8fe6?nocache=1
- Portable EXE: https://www.virustotal.com/gui/file/e8fe3595100696078676af66ee53ba99d6b9ad402d64f21d8ea9f6f6b68a9ecf?nocache=1

Verify checksums: https://github.com/Satan2049/that-gpt/blob/main/SHA256.txt

Screenshots

See docs/screenshots/ for README and landing page assets (screenshot-chat.png, demo.gif, etc.).

Known limitations

  • Windows only for pre-built binaries (Linux/macOS planned later)
  • Voice input and Windows Credential Manager deferred
  • Full Tauri auto-updater not included (manual check only)
  • Knowledge base uses JSON vector index (not sqlite-vec / LanceDB)

Full changelog

CHANGELOG.md

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