AI Models · Open-Source vs Paid

GLM 5.3 Open vs AMNova Micro 1.0 Paid

GLM 5.3 vs Nova Micro 1.0 compared — price per token, context window, multimodality, openness and which to choose. Can the open-source model replace the paid one? Full 2026 breakdown.

Prices & specs refreshed from live data · olud.ai

Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.

GLM 5.3OpenZ.AI
$1.4 /M input
$4.4 /M outputNo per-token fees if you self-host
TypeOpen-weight
Context window1.3M tokens
MultimodalNo
Self-hostYes
AMNova Micro 1.0PaidAmazon
$0.04 /M input
$0.14 /M outputManaged API (no infra to run)
TypeProprietary
Context window128K tokens
MultimodalNo
Self-hostNo
Choose GLM 5.3 if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose Nova Micro 1.0 if you want frontier capability through a managed API with zero infrastructure to run.

GLM 5.3 vs Nova Micro 1.0 specs

SpecGLM 5.3Nova Micro 1.0Winner
MakerZ.AIAmazon
TypeOpen-weightProprietaryGLM 5.3
Context window1.3M tokens128K tokensGLM 5.3
Input price$1.4/M · free self-host$0.04/MAMNova Micro 1.0
Output price$4.4/M · free self-host$0.14/MAMNova Micro 1.0
Vision / multimodalNoNo
Tool / function callingYesYes= Tie
Self-hostableYesNo (API only)GLM 5.3
LicenseMITProprietaryGLM 5.3

Price gap & when to choose each

31×cheaper per output token

Nova Micro 1.0 is ~31× cheaper than GLM 5.3 on output tokens ($0.14 vs $4.4 per M tokens).

Choose GLM 5.3 if…
  • You want to self-host or run on your cloud
  • You need the longer 1.3M context window
  • You prioritize data privacy & control
  • You are building open or reproducible AI
AMChoose Nova Micro 1.0 if…
  • You want frontier performance through a managed API
  • You want the lower output price
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityGLM 5.3Nova Micro 1.0
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: GLM 5.3 vs Nova Micro 1.0

Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).

GLM 5.3
Nova Micro 1.0
Intelligence index
44.9
Coding index
74.8
GPQA
91.7%
Humanity's Last Exam
42.3%
Long Context Reasoning
79.7%
SciCode
59%
τ-Bench Banking
50.3%
Terminal-Bench
83.9%
Speed
54.8 tok/s
Latency
3.57s
Intelligence per $
20.9

Benchmark data by Artificial Analysis.

How GLM 5.3 and Nova Micro 1.0 score

🏆 Best value & openness: GLM 5.3 (4.5 vs 2.9 / 5)
CriterionGLM 5.3Nova Micro 1.0
Cost-efficiency4.05.0
Context window5.03.5
Openness5.01.5
Self-hosting5.01.0
Multimodality3.53.5

Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.

What each model is

GLM 5.3 Open

Z.AI · Open-weight

GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. It supports text input and output with a 1M-token context window, and improves...

Nova Micro 1.0 Paid

Amazon · Proprietary

Amazon Nova Micro 1.0 is a text-only model that delivers the lowest latency responses in the Amazon Nova family of models at a very low cost. With a context length...

Other models in these families

These variants are tracked but not compared here — one page per family keeps the comparison readable.

Other variants tracked
GLM 5.3 (batch)GLM 5.3 FlashGLM 5.3 Flash (batch)GLM 5.2 (batch)GLM 5.2GLM 5GLM 5 TurboGLM 5.1GLM 5V TurboGLM 4.7GLM 4.6GLM 4.7 FlashGLM 4.5GLM 4.5 AirGLM 4.6VGLM 4.5V

Frequently asked questions

Is GLM 5.3 as good as Nova Micro 1.0?

GLM 5.3 is open-weight and competitive on many tasks, but Nova Micro 1.0 may still lead on the hardest reasoning and agentic work. The gap keeps narrowing — benchmark both on your actual use case before deciding.

Can I run GLM 5.3 locally?

Yes. GLM 5.3 has open weights, so you can self-host it on your own GPUs or run it via a low-cost API. Nova Micro 1.0 is API-only and cannot be self-hosted.

GLM 5.3 vs Nova Micro 1.0 — which should I pick in 2026?

Choose GLM 5.3 if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose Nova Micro 1.0 if you want frontier capability through a managed API with zero infrastructure to run.

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