StepFun 阶跃星辰 vs Z.ai (Zhipu GLM)

A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.

StepFun 阶跃星辰 Chinese multimodal frontier-model lab founded by Microsoft Research ve... Visit Z.ai (Zhipu GLM) Open-weights frontier LLM family from Zhipu AI Visit
RECATOOLS Score 6.6 / 10 7.6 / 10
Capability 7.5 8
Value for money 7 9
Ease of use 5 7
ASEAN readiness 4 6
API quality 6 7
Pricing Freemium Freemium
Free tier GLM-4.7-Flash and GLM-4.5-Flash are free for all registered users
Paid from Lite ~$10/mo, Pro ~$30/mo, Max ~$80/mo (quarterly billing); API from $1.20/1M tokens
Has API
Open source
Free to use
Users
Founded 2023 2019
Maker
Verdict

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...

The GLM series is still the strongest value play among frontier-adjacent APIs, and 2026 made Zhipu impossible to ignore: a January Hong Kong IPO (the first listed LLM company), GLM-5 in February, and GLM-5.2 in June with...

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Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.