Fastest GLM-5.2 Provider: Fireworks AI at 343 tok/s

Melvin Vivas · X post · 2026-06-27 · Open on X

Topics: LLMOps, Deployment & Monitoring, LLM Fundamentals · Level: intermediate

Summary

Says Fireworks AI is currently the fastest GLM-5.2 provider at about 343 tokens/sec. The creator adds that Cursor uses Fireworks and feels very fast. This is useful when picking an inference provider for open-weight models.

Key points

• Fireworks AI was rated the fastest GLM-5.2 provider at about 343 output tokens/sec.
• Cursor uses Fireworks for inference, according to the creator.
• The same open model can run at very different speeds depending on the provider.

Resources mentioned

• Fireworks AI · tool · x.com · free
  Fireworks AI's official X account, which posts news about inference and serving open models.
  Also in: FireRouter: cost-aware model routing between open models and Claude Opus (Melvin Vivas on X · notes), GLM 5.2 Hits 446 tok/s on Fireworks AI (Melvin Vivas on X · notes), GLM 5.2 Speed vs Opus 4.8 and GPT 5.5 (Melvin Vivas on X · notes), GLM 5.2 on Fireworks Makes Opus 4.8 and GPT 5.5 Feel Slow (Melvin Vivas on X · notes) and 4 more
• Cursor · tool · x.com · free · recommended by both Bashiri Smith & Melvin Vivas
  AI-native code editor (VS Code with AI built in).
  Also in: GLM 5.3 and GLM 5.3 Flash now in Cursor (Melvin Vivas on X · notes), Grok Bot Can Now Hand Off Coding Tasks to Cursor (Melvin Vivas on X · notes), Why Plan Mode Still Matters in AI Coding Assistants (Codex, Claude, Cursor) (Melvin Vivas on X · notes), Why Plan Mode Still Matters in AI Coding Agents (Codex, Claude, Cursor) (Melvin Vivas on X · notes) and 121 more
• GLM 5.2 · tool · huggingface.co · free
  A GLM-family LLM (the transcript says 'GLM-5-2') that the demo ranked as a strong, affordable model for coding and design.
  Also in: Qwen3.8-Max on the Frontend Code Arena cost-performance frontier (Melvin Vivas on X · notes), Models That Work With the Hermes Agent for Personal Productivity (Melvin Vivas on X · notes), Open Model GLM 5.2 Helped Mitigate OpenAI-Caused Cyberattack (Melvin Vivas on X · notes), AI News Roundup: Claude Fable 5, Scientist AI, ZCode, NVIDIA RL (Melvin Vivas on X · notes) and 27 more

Try this

• Try GLM-5.2 through Fireworks if you need fast inference.