Aya Expanse 8B vs GLM-4.5
A complete head-to-head: pricing, context window, benchmarks, modality coverage, and openness, with a programmatic verdict synthesized from the underlying data.
Updated
Aya Expanse 8B specs · GLM-4.5 specs- PriceTie
Neither model publishes per-token API pricing.
- Context windowGLM-4.5
GLM-4.5 accepts 128K tokens vs 8.2K, 15.6× 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.
- ModalitiesGLM-4.5
GLM-4.5 supports 2 modalities (text, vision) vs 1 for Aya Expanse 8B.
- OpennessTie
Both ship open weights, self-host either one.
On balance GLM-4.5 edges ahead, winning 2 of 5 categories against Aya Expanse 8B's 0. Neither model publishes per-token API pricing. GLM-4.5 accepts 128K tokens vs 8.2K, 15.6× 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, Aya Expanse 8B handles text while GLM-4.5 handles text, vision, which can be the deciding factor before you even look at benchmarks. Both ship open weights, self-host either one.
GLM-4.5 is the newer of the two, released 9 months after Aya Expanse 8B, which usually means a more recent knowledge cutoff and updated safety post-training. Aya Expanse 8B is usually picked for multilingual and translation workloads, while GLM-4.5 sees more deployments in chinese llm and open source llm. If pricing matters more than every last benchmark point, run the numbers in the calculator below before committing.
Side-by-side specs
| Spec | Aya Expanse 8B | GLM-4.5 |
|---|---|---|
| Provider | Cohere | Other |
| Released | Oct 2024 | Jul 2025 |
| Modalities | text | text, vision |
| Context window | 8.2K tokens | 128K tokens |
| Max output | , | , |
| Input · 1M | Pricing not published | Pricing not published |
| Output · 1M | Pricing not published | Pricing not published |
| Knowledge cutoff | , | , |
| Open weights | Yes (CC-BY-NC 4.0) | Yes (MIT) |
| 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 ,
- Heavy usage, 1M in / 500k out per day, vs ,
- RAG workload, 5M in / 200k out per day, vs ,
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.
- Aya Expanse 8BPricing unavailable
- GLM-4.5Pricing unavailable
Benchmarks compared
Only sourced numbers. Where a benchmark is missing for one model we show the available value rather than fabricating the other.
Aya Expanse 8B fits when…
- Multilingual at small size
- Strong cross-lingual transfer
- Efficient on commodity GPUs
GLM-4.5 fits when…
- MIT license
- Strong Chinese
- Multimodal
- Long-context tasks, handles 128K tokens vs 8.2K for Aya Expanse 8B.
- Multimodal needs covering vision.
Consider Command R+ (08-2024)
Cohere's flagship optimized for RAG and tool use in enterprise settings.
Frequently asked
Is Aya Expanse 8B or GLM-4.5 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?
GLM-4.5 accepts 128K tokens vs 8.2K for Aya Expanse 8B.Is Aya Expanse 8B or GLM-4.5 better for coding?
Both Aya Expanse 8B and GLM-4.5 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?
Both ship with open weights. Aya Expanse 8B is licensed under CC-BY-NC 4.0; GLM-4.5 under MIT.When were Aya Expanse 8B and GLM-4.5 released?
Aya Expanse 8B was released by Cohere on 2024-10-23. GLM-4.5 was released by Other on 2025-07-28.
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