GLM 5.2 Hits 446 tok/s on Fireworks AI

Melvin Vivas · X post · 2026-07-01 · Open on X

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

Summary

Fireworks AI reports serving GLM 5.2 at 446 tokens per second, as measured by Artificial Analysis. Even higher speeds are offered through custom deployments. This is an example of inference providers competing on output speed.

Key points

• Fireworks AI serves GLM 5.2 at 446 tokens/second, as measured by Artificial Analysis.
• Custom deployments are offered for even higher speeds.
• Artificial Analysis is a common independent benchmark for comparing providers on speed.

Resources mentioned

• Fireworks AI blog: GLM 5.2 fast inference · article · fireworks.ai · free
  Fireworks AI blog post on serving GLM 5.2 at high token throughput.
• Artificial Analysis · website · artificialanalysis.ai · free
  Independent benchmarking site that compares AI models and providers, including text-to-speech, on quality, speed and price.
  Also in: ElevenLabs Eleven v4 & v4 Turbo: Emotive, Multilingual Text-to-Speech Models (Melvin Vivas on X · notes), Be Skeptical of Model Leaderboards: Muse Spark vs Astra (Melvin Vivas on X · notes), Pipette: Open-Source Benchmarking for On-Device Models (Melvin Vivas on X · notes), GLM-5.2 on Fireworks: Top Open-Weights Model on GDPval-AA (Melvin Vivas on X · notes) and 1 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
• 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 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), Fastest GLM-5.2 Provider: Fireworks AI at 343 tok/s (Melvin Vivas on X · notes) and 4 more