ChatGPT Atlas vs StepFun 阶跃星辰
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
ChatGPT Atlas
OpenAI's AI browser — discontinued, retires 9 Aug 2026
Visit
|
StepFun 阶跃星辰
Chinese multimodal frontier-model lab founded by Microsoft Research ve...
Visit
|
|
|---|---|---|
| RECATOOLS Score | 5 / 10 | 6.6 / 10 |
| Capability | ||
| Value for money | ||
| Ease of use | ||
| ASEAN readiness | ||
| API quality | ||
| Pricing | Freemium | Freemium |
| Free tier | Free: full browser, context-aware chat/sidebar, summaries — no Agent Mode | — |
| Paid from | ChatGPT Plus/Pro $20/mo+ unlocks Agent Mode (autonomous browsing tasks) | — |
| Has API | ✗ | ✓ |
| Open source | ✗ | ✗ |
| Free to use | ✗ | ✓ |
| Users | — | — |
| Founded | 2025 | 2023 |
| Maker | — | — |
| Verdict | Note: ChatGPT Atlas is being retired 9 August 2026, with its functionality folded into the ChatGPT desktop app.Atlas is being shut down. OpenAI announced on 9 July 2026 that the standalone browser stops working on 9 Augu... |
StepFun (阶跃星辰) is a well-funded Chinese AI lab building capable multimodal Step models, with an OpenAI-compatible API, realtime voice tooling and recent open-source releases such as Step 3.7 Flash aimed at agentic us... |
| Full review → | Full review → |
← Back to AI Directory
Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.