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Put up to 4 models beside each other — token prices, context windows, capabilities and provider, from the same catalogue the model pages read.

  1. GLM 5.3 FlashZ.AIRemove
  2. Nemotron 3 UltraNVIDIARemove
glm-5.3-flash vs nemotron-3-ultra-550b-a55b
AttributeGLM 5.3 Flashglm-5.3-flashNemotron 3 Ultranemotron-3-ultra-550b-a55b
Pricing
Input$0.075 / 1M$0.50 / 1M
Output$0.25 / 1M$2.50 / 1M
Cache Write (5m)$0.075 / 1M$0.50 / 1M
Cache Write (1h)$0.075 / 1M$0.50 / 1M
Cache Read$0.075 / 1M$0.50 / 1M
Web Search$0 / 1M$0 / 1M
Context
Max context1M1M
Max outputN/AN/A
Capabilities
VisionYesYes
Function CallingYesYes
JSON ModeYesYes
StreamingYesYes
Catalogue
ProviderZ.AINVIDIA
Categorychatchat
Charge typePay As You GoPay As You Go
Released——
Description
SummaryGLM-5.3-Flash is Z.AI's efficient native multimodal model, designed for coding and long-horizon agentic workflows. It combines strong multimodal capabilities with an architecture optimized for responsive, cost-efficient task execution. Built on a hybrid sparse and linear attention architecture, GLM-5.3-Flash maintains accurate long-context behavior while reducing computational overhead, making it well suited for coding agents, extended multi-step tasks, and scalable production workloads.NVIDIA Nemotron 3 Ultra is an open frontier reasoning and orchestration model featuring a 550B-parameter Mixture-of-Experts (MoE) architecture with 55B active parameters per token. Built on a hybrid Transformer–Mamba design, it supports text input and output with a 1M-token context window, enabling large-scale reasoning and long-horizon task execution. Optimized for agent orchestration, coding agents, deep research, and complex enterprise workflows, the model excels at multi-step reasoning, planning, and sustained execution. With high-throughput inference designed for large-scale agent pipelines, Nemotron 3 Ultra serves as a powerful foundation for advanced agentic AI systems.