GLM-4.5 vs Amazon Nova Pro
A complete head-to-head: pricing, context window, benchmarks, modality coverage, and openness, with a programmatic verdict synthesized from the underlying data.
Updated
GLM-4.5 specs · Amazon Nova Pro specs- PriceAmazon Nova Pro
Amazon Nova Pro publishes pricing ($3.20 / 1M output tokens) while GLM-4.5 does not.
- Context windowAmazon Nova Pro
Amazon Nova Pro accepts 300K tokens vs 128K, 2.3× the room for long documents and codebases.
- BenchmarksTie
No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores.
- ModalitiesAmazon Nova Pro
Amazon Nova Pro supports 3 modalities (text, vision, video) vs 2 for GLM-4.5.
- OpennessGLM-4.5
GLM-4.5 ships open weights (MIT); Amazon Nova Pro is API-only.
On balance Amazon Nova Pro edges ahead, winning 3 of 5 categories against GLM-4.5's 1. Amazon Nova Pro publishes pricing ($3.20 / 1M output tokens) while GLM-4.5 does not. Amazon Nova Pro accepts 300K tokens vs 128K, 2.3× the room for long documents and codebases.
No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores. They differ in modality coverage, GLM-4.5 handles text, vision while Amazon Nova Pro handles text, vision, video, which can be the deciding factor before you even look at benchmarks. GLM-4.5 ships open weights (MIT); Amazon Nova Pro is API-only.
GLM-4.5 is the newer of the two, released 8 months after Amazon Nova Pro, which usually means a more recent knowledge cutoff and updated safety post-training. GLM-4.5 is usually picked for chinese llm and open source llm workloads, while Amazon Nova Pro sees more deployments in enterprise llm and rag. If pricing matters more than every last benchmark point, run the numbers in the calculator below before committing.
Side-by-side specs
| Spec | GLM-4.5 | Amazon Nova Pro |
|---|---|---|
| Provider | Other | Other |
| Released | Jul 2025 | Dec 2024 |
| Modalities | text, vision | text, vision, video |
| Context window | 128K tokens | 300K tokens |
| Max output | , | , |
| Input · 1M | Pricing not published | $0.80 / 1M tokens |
| Output · 1M | Pricing not published | $3.20 / 1M tokens |
| Knowledge cutoff | , | , |
| Open weights | Yes (MIT) | No |
| API available | Yes | Yes |
Pricing at scale
What you'd actually pay at typical workloads. Numbers come from each model's published per-million-token rates.
- Light usage, 100k in / 50k out per day, vs $7.20
- Heavy usage, 1M in / 500k out per day, vs $72.00
- RAG workload, 5M in / 200k out per day, vs $139
Light usage, 100k in / 50k out per day: pricing not directly comparable (one or both models are missing public per-token rates). Heavy usage, 1M in / 500k out per day: pricing not directly comparable (one or both models are missing public per-token rates). RAG workload, 5M in / 200k out per day: pricing not directly comparable (one or both models are missing public per-token rates).
Estimated spend for the listed models at your usage. Numbers are derived from each model's published per-million-token rates.
- GLM-4.5Pricing unavailable
- Amazon Nova Pro$0.240
Benchmarks compared
Only sourced numbers. Where a benchmark is missing for one model we show the available value rather than fabricating the other.
GLM-4.5 fits when…
- MIT license
- Strong Chinese
- Multimodal
- Self-hosting and on-prem requirements, open weights (MIT).
Amazon Nova Pro fits when…
- AWS-native
- Long context
- Multimodal incl. video
- Long-context tasks, handles 300K tokens vs 128K for GLM-4.5.
- Multimodal needs covering video.
Consider DBRX
Databricks' 132B MoE, a notable 2024 open-weight release tuned for enterprise.
Frequently asked
Is GLM-4.5 or Amazon Nova Pro cheaper?
Per-token pricing isn't published for at least one of these models, check each model's spec page for current rates.Which has the larger context window?
Amazon Nova Pro accepts 300K tokens vs 128K for GLM-4.5.Is GLM-4.5 or Amazon Nova Pro better for coding?
Both GLM-4.5 and Amazon Nova Pro are competitive on coding benchmarks. See each model's individual spec page for HumanEval and SWE-bench scores where published. For an opinionated pick, consult our Best LLM for Coding ranking.Are either of these models open source?
GLM-4.5 ships open weights (MIT). Amazon Nova Pro is API-only.When were GLM-4.5 and Amazon Nova Pro released?
GLM-4.5 was released by Other on 2025-07-28. Amazon Nova Pro was released by Other on 2024-12-03.
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