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Default PaintPlus OpenAI provider to gpt-image-2, fix GPU quick-start

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dall-e-2/dall-e-3 retired May 12 2026 and gpt-image-1 deprecates Oct 23
2026, so move every OpenAI default (config.py, both provider classes,
both compose files, .env.example, the in-app provider-settings dropdown,
README) to gpt-image-2 for both generation and edits. Also fix response
parsing in ai_provider.py's OpenAIProvider, which never sent a model
param and assumed a url response — gpt-image-1/2 only return b64_json.

Separately, .env.example shipped AI_PROVIDER=replicate by default, but
replicate has no driver in remote_provider.py, so following the
documented "cp .env.example .env" setup silently broke every AI call
and defeated the GPU quick-start (an explicit non-empty .env value
overrides docker-compose.gpu.yml's own local_gpu fallback). Default to
local_gpu instead, mark replicate/stability as not-yet-implemented, and
recommend Lykon/dreamshaper-8-inpainting as a hands/face-tuned
HF_MODEL_INPAINT override for 4-6GB cards (Quadro P2200, GTX 1060/1660).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Nb2vJ8W7bHKx1JXVvpCraH
This commit is contained in:
Claude
2026-06-26 15:17:18 +00:00
parent 36a126bee7
commit 43c66ea860
8 changed files with 55 additions and 46 deletions
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paintplus/README.md
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@@ -65,7 +65,7 @@ BUILDID=$(date +%s) ./bring-up-local-gpu.sh
| Provider | Setup | Cost | Quality |
|---|---|---|---|
| `local_gpu` | GPU machine + nvidia-container-toolkit | Free | Best (SDXL/FLUX auto-selected by VRAM) |
| `openai` | `OPENAI_API_KEY=sk-...` | ~$0.02–0.04/image | DALL-E 3 |
| `openai` | `OPENAI_API_KEY=sk-...` | ~$0.006–0.21/image | gpt-image-2 |
| `replicate` | `REPLICATE_API_KEY=r8_...` | ~$0.002–0.03/image | Multiple models |
| `invokeai` | InvokeAI running on another machine | Self-hosted | FLUX/SDXL |
| `comfyui` | ComfyUI running on another machine | Self-hosted | Any model |