DeepSeek V4.1 Flash vs V4 Pro: Which Should You Use?
DeepSeek V4.1 Flash vs V4 Pro: compare API prices, image input and retirement dates. Check whether your old model name still selects the old version.
SandBase Blog
Insights on AI agents, model routing, and building production-ready AI systems.
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OpenAI Agents API: What a Self-Hosted Sandbox Does—and Does Not—Control
OpenAI Agents API self-hosted sandbox limits: the managed harness, execution ownership, session overrides, data retention, and what your application still handles.
Images 2.5 vs Nano Banana 2: Flare and Sunburst in Four Creative Tests
Images 2.5 vs Nano Banana 2: SandBase API samples compare Flare, Sunburst and Nano Banana 2 on surreal scenes, visual humor and a shared-reference edit.
API 400 or Upstream Error: Should You Fix the Request or Retry?
An API 400 or upstream error is not automatically a model outage. Inspect the error body, check Responses and Messages parameters, and distinguish safe retries from interrupted streams with completed tool actions.
ChatGPT Images 2.5: Editing, Sketch and API Pricing
SandBase explains ChatGPT Images 2.5 editing, Sketch and OpenAI API pricing, separating official demos from its version-unconfirmed ChatGPT web test.
ChatGPT Images 2.5: Five Edits, Product Detail and Color Drift
SandBase's ChatGPT Images 2.5 web-workflow test: five bottle edits, original PNGs and texture/color checks. The exact API backend was not exposed.
GPT Image 2.5 Flare vs Sunburst: Differences, Pricing and Which to Choose
GPT Image 2.5 Flare vs Sunburst: compare speed, editing precision, quality settings and official pricing, with a headphone recoloring example showing what a local edit preserves.
How to Use ChatGPT Sites: Build, Publish, and Understand Pricing
Learn how to use ChatGPT Sites to build and publish a website, check plan limits and custom domains, and choose model or image APIs for your own workflow.
DeepSeek V4.1 Flash API: Preview Access and Harness Setup
What the reported DeepSeek V4.1 Flash preview model ID means, how to configure an authorized test in Harness, and which API and multimodal details remain unverified.