ChatGPT Work vs. Claude Cowork vs. Gemini Spark: The AI Coworker Race

OpenAI launched ChatGPT Work on July 9, arriving four months after Anthropic's Claude Cowork and joining Google's Gemini Spark in a race to make AI act less like a chatbot and more like a coworker. If you already pay for one of these assistants, the short version is: you may already have access to a "coworker" agent, and it's worth knowing what it's actually good at before you hand it a real task.

This isn't really a story about a bigger model — the underlying models will keep leapfrogging each other on benchmarks most people never notice. The more useful shift is that all three major labs now ship a mode built to stay on a job for hours, break it into steps, and hand back a finished spreadsheet, deck, or report instead of a chat reply.

Quick Take

• ChatGPT Work (OpenAI, launched July 9, 2026): cross-app execution — research, files, spreadsheets, browser tasks — bundled from the $20/month Plus plan up.
• Claude Cowork (Anthropic, GA since April 2026): works directly on your local file system with an asks-before-acting design, bundled from the $20/month Pro plan up.
• Gemini Spark (Google, $100/month): a persistent cloud agent built around always-on execution — it keeps running even when your device is off. As of July 2026, Claude Cowork's cloud expansion can now do the same.

None of these is objectively "best." They're built around different assumptions about how much autonomy you want to hand over.

What OpenAI Actually Shipped

ChatGPT Work is powered by GPT-5.6, released the same day in three tiers — Sol (flagship), Terra (mid-range), and Luna (fast and cheap). According to OpenAI's announcement, the agent gathers context across your connected apps and files, plans an approach, and works independently on a goal for hours, producing documents, spreadsheets, presentations, or simple web apps rather than just answering a question.

The rollout started on desktop for Pro, Enterprise, and Edu accounts, expanding to Plus and Business over the following days on web and mobile. Free and Go users don't get Work at all — it's bundled starting at the $20/month Plus tier, with no separate add-on fee reported. OpenAI's own example: Virgin Atlantic used it to benchmark its customer journey against competitors by having the agent research rival experiences and produce a dataset flagging where it was ahead, behind, and under-invested.

That's a meaningfully different pitch than ChatGPT's existing Agent Mode, which is closer to a virtual browser that clicks through websites for you. Work is about staying with a project, not completing a single online errand.

How Claude Cowork Does the Same Job Differently

Anthropic got here first. Claude Cowork went generally available in April 2026 as a dedicated tab in the Claude desktop app, and it's included on every paid plan starting at Claude Pro at $20/month — no separate charge, though heavier Cowork tasks draw down more of your usage pool than a normal chat.

The core difference: Cowork is built to work directly inside a folder on your actual computer — point it at a stack of PDFs, invoices, or reports and it maps out steps and executes them there, rather than orchestrating a set of connected cloud apps. Anthropic also opened a plugin marketplace this year covering legal, sales, marketing, finance, and data-analysis workflows, so teams can turn Cowork into something closer to a role-specific specialist. Its design leans toward asking before it acts on anything sensitive, which is the more conservative posture of the three — a reasonable default if you're handling client or regulated data.

Where Gemini Spark Is Different in Kind

Google's Gemini Spark, at $100/month, isn't really competing on the same axis. It runs on a dedicated cloud virtual machine rather than your local session, which means it keeps executing long, multi-step tasks even after you close your laptop, and it's built around this always-on model from the ground up. Anthropic has been moving the same direction — Claude Cowork's July 2026 cloud expansion added the ability to keep tasks running with your device off — so this is less of a Spark-only feature than it was a few weeks ago. What still sets Spark apart is the price bracket: five times the entry cost of the other two, aimed at users who want the most mature always-on agent inside Google Workspace.

Which One Should You Actually Use?

	ChatGPT Work	Claude Cowork	Gemini Spark
Entry price	$20/mo (Plus)	$20/mo (Pro)	$100/mo
Where it runs	Your session, across connected apps	Your local files, plus cloud (device can be off)	Persistent cloud VM, device can be off
Best for	Cross-app research and deliverables	File-heavy, hands-on work with oversight	Long unattended background jobs
Available since	July 9, 2026	April 9, 2026	2026 (Google Cloud)

Choose ChatGPT Work if you already pay for ChatGPT Plus or above and your work is scattered across apps, browser research, and office documents — you get it at no extra cost.

Choose Claude Cowork if you want an agent that stays close to your actual files and asks before taking risky actions — a sensible default for legal, healthcare, or client-facing work. It also pairs naturally if you're already using Claude Code for development work.

Choose Gemini Spark if the task genuinely needs to run for hours without you present, and $100/month isn't a barrier.

For most individuals and small teams, the honest answer is: don't add a new subscription for this. Check whether the assistant you already pay for shipped one of these first — both OpenAI and Anthropic bundled their agent into existing plans rather than charging extra, which is the more relevant fact for most readers than which model benchmarks highest this week.

How This Fits the Bigger Agent Trend

This launch matters less for what it does today and more for what it signals: the three biggest AI labs have all converged on the same idea within a few months of each other — a persistent, multi-step "agent" tab is now table stakes for a serious AI subscription, the same way voice mode and file uploads became table stakes in 2024. Expect the differentiation to move to reliability (does it actually finish the job correctly) rather than feature lists. If you're evaluating AI tools worth paying for this year, an agent mode is now a checkbox to look for, not a novelty.

It's also worth watching how this collides with existing automation tools. If you already route work through Zapier, Make, or n8n, these AI coworkers overlap more than you'd expect — the difference is that Work, Cowork, and Spark plan the steps themselves instead of you wiring them together.

Frequently Asked Questions

Does ChatGPT Work cost extra on top of my ChatGPT Plus subscription? No known separate fee has been reported — it's bundled into Plus ($20/month) and higher plans, the same way Claude Cowork is bundled into Claude Pro.

Can free ChatGPT users try Work? No. OpenAI has confirmed Work is not available on the Free or Go tiers; it requires Plus or above.

Is Claude Cowork or ChatGPT Work better for handling sensitive files? Claude Cowork's design defaults to asking before taking action on your files, which makes it the more cautious option for regulated or client-sensitive work. Always review any AI agent's data-handling policy before connecting it to sensitive systems regardless of which you choose.

Do I need Gemini Spark if I already have ChatGPT Work or Claude Cowork? Increasingly, no. Spark's headline edge was always-on background execution, but Claude Cowork's July 2026 cloud expansion now also keeps tasks running with your device off — at a fifth of the price. Spark still makes sense if you're deep in Google Workspace and want the most mature always-on agent, but for most people the bundled options in ChatGPT or Claude cover the same ground far more cheaply.

Bottom Line

ChatGPT Work doesn't reinvent the AI agent — it catches OpenAI up to a race Anthropic already started and Google is running from a different angle. If you're already paying for ChatGPT Plus, Claude Pro, or Google's higher tiers, the smartest move is to try the agent mode you already have before considering a new subscription. Browse our full AI Tools coverage for more on where these platforms are headed next.