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Portkey
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Open-source LLM Observability for Developers

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Transcripts, AI summaries, comments, followers, search, ad intelligence, commerce data, and engagement metrics across 33 platforms — one REST API, clean JSON.

Which is more popular?
Based on our record, Helicone AI seems to be more popular. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | helicone.ai | captapi.com |
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In their own words, as submitted to SaaSHub.


No description of Helicone AI yet.
Captapi is a social media data API for developers and AI agents. One API key gives you structured, public data from TikTok, Instagram, YouTube, X (Twitter), Reddit, Threads, Facebook, LinkedIn company pages, Pinterest, Bluesky and more, plus the Meta, Google, LinkedIn and TikTok ad libraries....
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Captapi yet.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Helicone AI and Captapi. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Helicone takes the simplest possible approach to LLM monitoring: it's a proxy. Change your OpenAI base URL from api.openai.com to oai.helicone.ai, add your Helicone API key as a header, and every LLM request is logged — latency, tokens,... - Source: dev.to / 5 months ago
You're monitoring production traffic. You need Langfuse / Phoenix / Helicone / Braintrust for that. Online eval is a different problem class: implicit feedback, drift detection, hallucination rates on your data, not on HellaSwag. - Source: dev.to / 5 months ago
For many teams, especially those starting out or with simpler needs, commercial solutions like Portkey, Helicone, OpenPipe, or LiteLLM Proxy offer off-the-shelf capabilities that cover many common proxy use cases (caching, logging, cost... - Source: dev.to / 7 months ago
Tracking Captapi since Oct 2026.
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