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Large Language ModelsAI Business & IndustryZenn AI/MLPublished: Oct 2, 2026, 10:00 JST

OpenAI unveils dots agent and GPT-6.1 Sol at DevDay 2026

OpenAI unveils dots agent and GPT-6.1 Sol at DevDay 2026

3 Key Points

  1. What happened

    At DevDay 2026 in San Francisco on September 29, 2026, Sam Altman announced more than 20 releases, including GPT-6.1 Sol, the Ultrafast inference tier, the Agents API and the Decisions API.

  2. Why it matters

    OpenAI says GPT-6.1 Sol offers near-Astra intelligence at one-fifth of Astra's standard price, so developers can route routine work to a cheaper model while keeping pricier capacity for harder tasks.

  3. What to watch

    The pricing claims are OpenAI's own and rest on the new model actually performing like Astra on real workloads. Watch Ultra, which runs at up to 8x speed on Codex (about 300 tokens/second) but costs roughly 6x the standard price.

WHO IT HITSSoftware developers and platform teams building agents face a simpler build, since the Agents API takes over session management, context compression and recovery, shifting differentiation toward tool, data and permission design.

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Context & Analysis

DevDay 2026 was OpenAI's broadest developer push yet, spanning a persistent agent, new model pricing, agent-management APIs, Codex updates, plugin extensions and business offerings.

The event marks a shift in what OpenAI asks developers to build. With the Agents API and Bedrock Managed Agents, much of the harness work — session handling, context compaction, sandbox execution — moves to OpenAI's side. Features like Plugin extensions, MCP Events, Sign in with ChatGPT and the OpenAI Marketplace turn ChatGPT into a distribution and billing channel as much as a product.

The outcome hinges on whether the cheaper GPT-6.1 Sol actually holds up in production and whether developers adopt the new managed layer rather than building their own. Teams weighing agent projects now have a clearer split between commodity infrastructure and the tool, data and permission design that remains their own, though OpenAI's performance and pricing claims await independent checks.

FAQ
What is dots from OpenAI DevDay 2026?
dots is a persistent agent running on GPT-6 Astra, with its own cloud computer. It works across connected apps, keeps context across conversations, and is first rolling out to Pro and Business Premium in selected markets.
How much does GPT-6.1 Sol cost?
OpenAI lists it at $2 per million input tokens, $0.10 for cached input, and $10 per million output tokens. It is positioned as Astra-level intelligence at one-fifth of Astra's standard price.
Can I use ChatGPT plan credits in other tools?
Sign in with ChatGPT starts with 16 partners including Cognition's Devin, Notion, Vercel, T3, OpenClaw and Dactyl, and Plus and Pro users can share plan usage limits with participating tools.

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