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GLM 4.5 Air vs Nemotron 3 Ultra

Detailed technical comparison between GLM 4.5 Air (Zhipu AI) and Nemotron 3 Ultra (Nvidia). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.

⚡ Executive Summary & Verdict

Comparison Snapshot

GLM 4.5 Air: 0 WinsvsNemotron 3 Ultra: 6 Wins
Context Leader

Nemotron 3 Ultra

512,288 tokens
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

GLM 4.5 Air

$0.13 / MTok
Zhipu AIactive

GLM 4.5 Air

GLM-4.5-Air is the lightweight variant of our latest flagship model family, also purpose-built for agent-centric applications. Like GLM-4.5, it adopts the Mixture-of-Experts (MoE) architecture but with a more compact parameter...

View GLM 4.5 Air Full Specs →
Nvidiaactive

Nemotron 3 Ultra

NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE). Built on a hybrid Transformer-Mamba mixture-of-experts architecture, it...

View Nemotron 3 Ultra Full Specs →

Technical Specifications

🏆 = Superior Spec
SpecificationGLM 4.5 AirNemotron 3 Ultra
ProviderZhipu AINvidia
Context Window131,072 tokens512,288 tokens🏆
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelmanaged apimanaged api
Production Stabilitystablebeta
API AvailableYesYes
Released Date2025-07-252026-06-04

API Pricing Comparison

Input Price per Million Tokens

GLM 4.5 Air

$0.13

Nemotron 3 Ultra

$0.50

Output Price per Million Tokens

GLM 4.5 Air

$0.85

Nemotron 3 Ultra

$2.20

💡 Cost Ratio: GLM 4.5 Air is 3.8x cheaper per input token than Nemotron 3 Ultra.

Want to test both models live?

Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.

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Benchmark Performance Metrics

Standardized Scores (0–100%)

Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.

MMLUGeneral knowledge & multi-task understanding
80.4%vs87.8%+7.4% Nemotron 3 Ultra
GLM 4.5 Air
Nemotron 3 Ultra 🏆
HumanEvalPython coding & logic synthesis
78.6%vs87.0%+8.4% Nemotron 3 Ultra
GLM 4.5 Air
Nemotron 3 Ultra 🏆
MATHComplex mathematical problem solving
55.8%vs68.2%+12.4% Nemotron 3 Ultra
GLM 4.5 Air
Nemotron 3 Ultra 🏆
GPQAGraduate-level expert reasoning
41.2%vs49.6%+8.4% Nemotron 3 Ultra
GLM 4.5 Air
Nemotron 3 Ultra 🏆
HellaSwagCommonsense reasoning and inference
83.4%vs85.4%+2.0% Nemotron 3 Ultra
GLM 4.5 Air
Nemotron 3 Ultra 🏆
MT-BenchMulti-turn conversation flow quality
8.6%vs9.1%+0.5% Nemotron 3 Ultra
GLM 4.5 Air
Nemotron 3 Ultra 🏆

GLM 4.5 Air Quirks & Gotchas

No developer gotchas reported.

Nemotron 3 Ultra Quirks & Gotchas

No developer gotchas reported.

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