CoralBricks vs Zarx
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
CoralBricks compared with Zarx
| Detail | 
CoralBricks | 
Zarx |
|---|
| What it does | Fastest inference. Lowest price.
| EU-resident inference API for open-weight language models
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| Stage | Not given
| MVP
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| Founded | Not given
| Not given
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| Based in | US
| ES
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| Pricing model | Paid
| Contact for pricing
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| Pricing | DeepSeek V4.1 Flash with cached input from $0.008 per 1M tokens. DeepSeek V4.1 Flash Fast at up to 322 output tokens per second.
| Not given
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| Key features | - Prefix caching enabled by default
- 1 million token context window
- Chat Completions and Responses
- Streaming support
- Tool calls
- OpenAI-compatible API
- Up to 322 output tokens per second
| - OpenAI-compatible Responses and Chat Completions endpoints
- Streaming with Server-Sent Events
- Function calling and tool use
- Structured JSON output with schema validation
- Audio transcription with file and live WebSocket modes
- Text-to-speech with built-in and customizable voices
- Speech-to-speech translation
- Time series forecasting up to 1,000 periods
- Per-key usage tracking and limits
- Servers owned and operated by NPAW in EU
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| What makes it different | - Lowest price per 1M tokens at $0.008 for cached input
- Fastest inference speed at 322 output tokens per second
- Built specifically for long-running agent workloads
- Prefix caching on by default
| - Data residency in EU with no US sub-processor in the data path
- OpenAI-compatible API so teams can keep existing integrations
- Three capability levels—Z Ultra, Z Pro, Z Fast—on the same API
- Operated by NPAW, which has run its own data infrastructure since 2008
- ISO 27001, ISO 27701, ISO 42001 and ENS High certified
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 31 ● no change since last check | 5 ● no change since last check |
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| Trust Flow (Majestic) | 6 | 0 |
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| Citation Flow (Majestic) | 26 | 13 |
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| Referring domains (Majestic) | 112 | 1 |
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5 details filled in for both companies.
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