QUICK VERDICT — JULY 2026
● Best for enterprise multi-agent workflows: Claude Cowork — Anthropic's enterprise platform, browser and desktop agents, forward-deployed Ode engineers
● Best for persistent cloud coding tasks: ChatGPT Work / Codex — tasks run after you close your laptop (Ona acquisition), 5M weekly users
● Best per-task coding cost: Grok Build — $2.49 per completed task vs Codex (~$16) and Claude Code ($11.80)
● Security note: Grok Build was found uploading user repos and SSH keys to GCS on July 19 without permission. Use Grok API directly — not Grok Build — until SpaceXAI publishes incident report.
● Best underlying model accuracy: Claude Cowork (Fable 5, 80.4% SWE-bench Pro)
Full Comparison Table
| Tool |
Model |
Type |
SWE-bench Pro |
Persistent cloud |
Cost/task |
Enterprise fit |
| Claude Cowork |
Fable 5 |
Multi-agent workspace |
80.4% #1 |
Partial |
$11.80 |
Strong — Ode partnership |
| ChatGPT Work / Codex |
GPT-5.6 Sol |
Cloud coding agent |
Not published |
Yes (post-Ona) |
~$16 |
Strong — Azure integration |
| Grok Build ⚠ |
Grok 4.5 |
Terminal coding agent |
64.7% |
No |
$2.49 |
Security incident pending |
⚠ Grok Build: Cereblab found on July 19 that Grok Build uploaded full repositories, SSH keys, and password databases to GCS without permission. SpaceXAI has not published an incident report. Use Grok 4.5 via API directly — not Grok Build — until resolved.
Claude Cowork — The Enterprise Multi-Agent Platform
Claude Cowork is Anthropic's agentic workspace product — available on web, iOS, and Android. It coordinates multiple Claude agents running in parallel on different aspects of a task: one agent researches, another drafts, a third reviews. It includes browser computer use (Claude can navigate web pages autonomously), file analysis, and code execution. The enterprise story is strengthened by Anthropic's Ode partnership (a $1.5B JV with Blackstone and others) that embeds forward-deployed AI engineers inside enterprises to build Cowork-based workflows. For organisations that want both the software and the implementation expertise, Anthropic's Ode partnership is the most complete enterprise AI offering in this category.
ChatGPT Work / Codex — Persistent Cloud Agents
OpenAI's agentic workspace centres on Codex — a coding agent that now supports persistent cloud operation after the Ona (Gitpod) acquisition announced July 19. Codex tasks run in cloud environments that persist after you close your laptop, enabling long-running coding jobs that do not require your local machine to stay active. With 5 million weekly active users, Codex has the largest user base of any agentic coding product. The enterprise integration story runs through Azure — Azure OpenAI Service gives IT teams familiar procurement, compliance, and data residency frameworks for deploying Codex in enterprise environments.
Which to Use
Claude Cowork for: enterprise multi-agent workflows, computer use tasks requiring browser navigation, organisations that want Anthropic's Ode forward-deployed engineers to build the implementation, and workloads where Fable 5's 80.4% SWE-bench Pro accuracy is required.
ChatGPT Work / Codex for: persistent overnight coding tasks (close your laptop, task continues in cloud), existing Microsoft/Azure enterprise customers who want minimal new procurement, and teams that want the largest Codex user community and ecosystem.
Grok Build — hold for now. The July 19 security incident (full repo uploads, SSH keys, password databases to GCS without permission) has not been addressed with a formal incident report from SpaceXAI. Until that report is published and the vulnerability confirmed patched, do not use Grok Build on repositories containing sensitive code or credentials.
Last updated July 2026. Related: Grok Build data leak — full story → · OpenAI acquires Ona for Codex → · Anthropic Ode enterprise deployment →