AssemblyAI vs CloudGPU: Token Pricing, Speed & Intelligence
Full comparison of AssemblyAI and CloudGPU — live token pricing, latency, throughput, context window, strengths, weaknesses, and best use cases. Rates sourced from public APIs — verify before use.
AssemblyAI
Universal-2 speech-to-text with speaker diarisation and audio intelligence
AssemblyAI provides a speech-to-text and audio intelligence API. Its Universal-2 model offers high-accuracy transcription with built-in speaker diarisation, sentiment analysis, topic detection, and PII redaction. The Nano model targets cost-sensitive batch workloads. Pricing is per audio hour.
CloudGPU
API gateway / reseller — 33 text models at CloudGPU customer rates
CloudGPU is an API gateway and reseller offering access to frontier and mid-tier text models including Claude, GPT, Kimi, GLM, Qwen, DeepSeek, and MiniMax. Prices shown are CloudGPU customer rates — not official lab prices. CloudGPU does not disclose all routing; upstreams are not the seller.
Key metric comparison
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Live token pricing
Strengths and weaknesses
AssemblyAI
CloudGPU
Key differentiators
Universal-2 bundles transcription with speaker diarisation, sentiment, topic detection, and PII redaction — plus LeMUR for LLM-powered audio Q&A — in a single API call.
An API gateway offering CloudGPU customer rates on 33 text models — prices differ from official lab rates; routing is not fully disclosed.
Frequently asked questions
AssemblyAI FAQs
How is AssemblyAI priced?
AssemblyAI charges per audio hour. Universal-2 is $0.37/hour and Nano is $0.10/hour. Additional audio intelligence features (diarisation, sentiment, PII redaction) are priced separately. See assemblyai.com/pricing for current rates.
What is Universal-2?
Universal-2 is AssemblyAI's flagship transcription model with built-in speaker diarisation, sentiment analysis, topic detection, and PII redaction. It is designed for meeting intelligence and call analytics use cases.
What is LeMUR?
LeMUR (Leveraging Large Language Models to Understand Recorded Audio) is an AssemblyAI feature that lets you run LLM-powered Q&A, summarisation, and action-item extraction directly over transcribed audio without building a separate pipeline.
CloudGPU FAQs
Are CloudGPU prices the same as official provider prices?
No. CloudGPU is an API gateway/reseller. The prices shown are CloudGPU customer rates, which may differ from official lab prices. CloudGPU does not disclose all routing details.
What models does CloudGPU offer?
CloudGPU offers 33 text models including Claude Fable 5.1, Claude Opus 5-5, Kimi K3, GLM-5.3, Qwen 3.8 Max, DeepSeek V4 Pro, GPT-6 Astra, and MiniMax M3. See the model table for current rates.
What is the CloudGPU API base URL?
The CloudGPU API base is https://cloudgpu.app/v1 with OpenAI-compatible endpoints. See https://cloudgpu.app/api/docs for full documentation.
Provider resources
AssemblyAI — Universal-2 speech-to-text with speaker diarisation and audio intelligence
AssemblyAI provides a speech-to-text and audio intelligence API. Its Universal-2 model offers high-accuracy transcription with built-in speaker diarisation, sentiment analysis, topic detection, and PII redaction. The Nano model targets cost-sensitive batch workloads. Pricing is per audio hour.
Universal-2 bundles transcription with speaker diarisation, sentiment, topic detection, and PII redaction — plus LeMUR for LLM-powered audio Q&A — in a single API call.
CloudGPU — API gateway / reseller — 33 text models at CloudGPU customer rates
CloudGPU is an API gateway and reseller offering access to frontier and mid-tier text models including Claude, GPT, Kimi, GLM, Qwen, DeepSeek, and MiniMax. Prices shown are CloudGPU customer rates — not official lab prices. CloudGPU does not disclose all routing; upstreams are not the seller.
An API gateway offering CloudGPU customer rates on 33 text models — prices differ from official lab rates; routing is not fully disclosed.
Key strengths compared
AssemblyAI
- Universal-2 includes speaker diarisation, sentiment, topics, and PII redaction out of the box
- Audio intelligence features reduce need for post-processing pipelines
- Nano tier at $0.10/hour for cost-sensitive batch transcription
- Speech and audio only — no general-purpose LLM or image models
- Per-hour pricing model differs from token-based LLM APIs
CloudGPU
- Access to frontier models including Claude Fable 5.1, Kimi K3, and GPT-6 Astra
- Competitive customer rates on Chinese frontier models (GLM, Kimi, Qwen, MiniMax)
- OpenAI-compatible API base at cloudgpu.app/v1
- API gateway/reseller — routing not fully disclosed
- Prices are CloudGPU customer rates, not official lab prices
Key weaknesses compared
AssemblyAI
- Speech and audio only — no general-purpose LLM or image models
- Per-hour pricing model differs from token-based LLM APIs
- Advanced audio intelligence features add cost on top of base transcription
CloudGPU
- API gateway/reseller — routing not fully disclosed
- Prices are CloudGPU customer rates, not official lab prices
- Per-model context window and capability facts are not publicly documented
Provider category context
AssemblyAI is a frontier lab, founded in 2017. CloudGPU is a inference api. AssemblyAI as a frontier lab trains and serves its own proprietary models. CloudGPU as an inference API provider hosts open-weight models — typically offering lower prices for equivalent capability tiers but without access to proprietary frontier models.
How to choose between them
Choose AssemblyAI if you need Meeting intelligence. Choose CloudGPU if you need access to frontier models including claude fable 5.1, kimi k3, and gpt-6 astra. 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.