SeaLink vs Z.AI: Token Pricing, Speed & Intelligence
Full comparison of SeaLink and Z.AI — live token pricing, latency, throughput, context window, strengths, weaknesses, and best use cases. Rates sourced from public APIs — verify before use.
SeaLink
Embeddings API gateway (Singapore) — Gemini Embedding models, USD pricing, no chat completions
SeaLink is a Singapore-based embeddings API gateway providing access to Gemini Embedding 001 and Gemini Embedding 2. Pricing is in USD per 1M input tokens with no output charge. SeaLink does not offer chat completions — it is an embeddings-only service. Billing is in USD.
Z.AI
GLM-5.3 frontier model with 1M context — available on Amazon Bedrock
Z.AI (formerly Zhipu AI) develops the GLM series of large language models. GLM-5.3 is the latest generation, supporting a 1M token context window and designed for enterprise-grade chat, coding, and long-document tasks. GLM-5.3 is now available on Amazon Bedrock, expanding its reach to AWS enterprise customers.
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Live token pricing
Strengths and weaknesses
SeaLink
Z.AI
Key differentiators
Embeddings-only API gateway in Singapore — Gemini Embedding 001 ($0.135/1M) and Gemini Embedding 2 ($0.18/1M) with USD billing and no output charge.
GLM-5.3 offers a 1M token context window at competitive pricing, now available on Amazon Bedrock — making it accessible to AWS enterprise customers without additional API integrations.
Frequently asked questions
SeaLink FAQs
What is SeaLink?
SeaLink is a Singapore-based embeddings API gateway providing access to Gemini Embedding 001 and Gemini Embedding 2. It does not offer chat completions. See sealink.io/pricing for current rates.
Does SeaLink offer chat completions?
No. SeaLink is an embeddings-only service. It provides Gemini Embedding 001 and Gemini Embedding 2 for vector generation workloads such as semantic search and RAG pipelines. It does not offer chat, reasoning, or other completion modalities.
How much does SeaLink cost?
As of October 2026: Gemini Embedding 001 is USD 0.135 per 1M input tokens; Gemini Embedding 2 is USD 0.18 per 1M input tokens. There is no output charge for embeddings. See sealink.io/pricing for current rates.
Z.AI FAQs
What is GLM-5.3?
GLM-5.3 is the latest model in Z.AI's GLM series, supporting a 1M token context window. It is designed for long-document analysis, coding, and enterprise chat applications in both Chinese and English.
Is GLM-5.3 available on Amazon Bedrock?
Yes. GLM-5.3 was added to the Amazon Bedrock catalog in 2026, making it accessible to AWS enterprise customers via the standard Bedrock API without a separate Z.AI account.
How does Z.AI compare to other Chinese LLM providers?
Z.AI's GLM models compete with Alibaba's Qwen and Moonshot's Kimi series. GLM-5.3 stands out for its 1M context window and Amazon Bedrock availability, making it the most accessible Chinese LLM for AWS enterprise customers.
Provider resources
SeaLink — Embeddings API gateway (Singapore) — Gemini Embedding models, USD pricing, no chat completions
SeaLink is a Singapore-based embeddings API gateway providing access to Gemini Embedding 001 and Gemini Embedding 2. Pricing is in USD per 1M input tokens with no output charge. SeaLink does not offer chat completions — it is an embeddings-only service. Billing is in USD.
Embeddings-only API gateway in Singapore — Gemini Embedding 001 ($0.135/1M) and Gemini Embedding 2 ($0.18/1M) with USD billing and no output charge.
Z.AI — GLM-5.3 frontier model with 1M context — available on Amazon Bedrock
Z.AI (formerly Zhipu AI) develops the GLM series of large language models. GLM-5.3 is the latest generation, supporting a 1M token context window and designed for enterprise-grade chat, coding, and long-document tasks. GLM-5.3 is now available on Amazon Bedrock, expanding its reach to AWS enterprise customers.
GLM-5.3 offers a 1M token context window at competitive pricing, now available on Amazon Bedrock — making it accessible to AWS enterprise customers without additional API integrations.
Key strengths compared
SeaLink
- Gemini Embedding 001 and Gemini Embedding 2 at competitive USD rates
- Singapore-based — low latency for Southeast Asia workloads
- Simple USD billing with no output charge for embeddings
- Embeddings only — no chat completions or other modalities
- Small catalog limited to Gemini Embedding models
Z.AI
- 1M token context window on GLM-5.3
- Available on Amazon Bedrock for AWS enterprise customers
- Strong Chinese and English bilingual performance
- Smaller international developer community
- Fewer third-party integrations than OpenAI
Key weaknesses compared
SeaLink
- Embeddings only — no chat completions or other modalities
- Small catalog limited to Gemini Embedding models
- Newer provider with limited public track record
Z.AI
- Smaller international developer community
- Fewer third-party integrations than OpenAI
Provider category context
SeaLink is a inference api, founded in 2024. Z.AI is a frontier lab, founded in 2019. SeaLink as an inference API provider hosts open-weight models — typically offering lower prices for equivalent capability tiers. Z.AI as a frontier lab trains and serves proprietary models with capabilities not available elsewhere.
How to choose between them
Choose SeaLink if you need gemini embedding 001 and gemini embedding 2 at competitive usd rates. Choose Z.AI if you need 1m token context window on glm-5.3. For high-volume production workloads, run a cost comparison using the token pricing table above with your actual prompt/completion token ratio — the cheapest provider depends heavily on your input-to-output token ratio.