GPT-6.1 Sol: Release, Availability and Changes from GPT-6 Sol
See where GPT-6.1 Sol launched, its API model ID and prices, and the verified changes from GPT-6 Sol, with limits on OpenAI's benchmark claims.
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OpenAI
GPT-6 Prompt Caching: Breakpoints, Diagnostics and Real Cost
A practical GPT-6 API guide to stable prompt prefixes, implicit and explicit cache breakpoints, diagnostics, cache lifetime, token accounting and a worked GPT-6 Sol cost example.
GPT-6 Sol vs Luna: Pricing, Access, and Which to Choose
Compare GPT-6 Sol and Luna by availability, task fit, token pricing and the 272K long-context threshold, then test which model delivers the lowest cost per accepted result.
Custom GPT Retirement: A Marketer’s Plugin Migration and Testing Checklist
OpenAI plans to retire Custom GPTs. Use this marketer-focused checklist to preserve instructions, map Plugin permissions, rebuild actions and test workflows.
ChatGPT App Permissions: A Marketer’s Approval and Data-Safety Checklist
Use ChatGPT app permissions safely: compare read, low-risk and elevated actions with approval, workspace and rollback checks.
OpenAI Agents API Public Beta: Session Code, Environments and Tool Controls
Map the OpenAI Agents API beta to session code, execution environments, tool controls, compaction, subagents and a bounded production test.
GPT-Live-1 API: Full-Duplex Voice, Costs, Delegation and Safety Boundaries
Evaluate GPT-Live-1 with full-duplex voice behavior, $0.05/minute front-end cost, delegation code, test loops and consent controls.
ChatGPT Data Agent for Marketing Analytics: A Worked, Permission-First Example
Use ChatGPT Data agent for marketing analysis with an explicit metric grain, permission boundary, data-quality checks and human approval payload.
ChatGPT Images 2.5 for Marketers: Flare vs Sunburst, Workflow and Cost Checks
A practical ChatGPT Images 2.5 guide for marketers: choose Flare or Sunburst, run a controlled creative test, calculate token costs, and approve outputs safely.
OpenAI DevDay 2026: Date, Time, Livestream and Confirmed Details
OpenAI DevDay 2026 is September 29 in San Francisco. Here is the verified PT, UTC and IST schedule, keynote watch guide, application status, Bengaluru Exchange detail and release tracker.