Helicone alternative — observability and model access in one platform

Helicone is a popular open-source observability platform for LLMs — logging requests, tracking costs, and providing analytics across providers. Plugsky is the all-in-one alternative that combines model access with observability, eliminating the need for a separate proxy layer and separate provider accounts.

What Helicone does well

• Deep LLM observability — logs every request with prompt, response, latency, tokens, and cost
• Open-source core — self-hostable, transparent, and community-driven
• Request experimentation — A/B test prompts, model parameters, and providers side by side
• User analytics — per-user tracking, retention cohorts, and usage patterns
• Cost tracking and alerts — real-time spend monitoring across providers and users

What Plugsky adds

• Built-in model access — 30+ models pre-integrated, no separate provider accounts or API keys
• All-in-one platform — models, observability, and enterprise controls in one API
• Flat monthly pricing — from $20/mo unlimited, no separate provider costs
• Regional data ownership — EU, GCC, APAC, and US data regions
• Enterprise controls — SAML, SCIM, audit log, dedicated CSM
• RAG + agents built-in — no need for separate vector DB or agent orchestration

Feature comparison

Capability	Plugsky	Helicone
Built-in models	✓ (30+ included)	✗ (proxy only)
Request logging	✓ (dashboard + API)	✓ (deep + featured)
Self-hosted option	✓ (enterprise sovereign)	✓ (open-source)
OpenAI-compatible API	✓	✓ (via proxy)
Pricing model	Flat monthly from $20/mo	Free tier + provider costs
Regional data ownership	✓ (EU, GCC, APAC, US)	Limited (US + EU)
Enterprise controls	✓ (SAML, SCIM, audit log)	✗ (self-managed)
RAG + agents built-in	✓	✗ (observability only)

When to choose each

Choose Helicone when you need deep observability across multiple existing providers, want request-level experimentation and A/B testing, or prefer an open-source self-hosted observability layer.

Choose Plugsky when you want both models and observability in one platform without a proxy layer, need flat predictable pricing with model usage included, require regional data compliance, or want built-in RAG and agent capabilities.

Migration effort

Moving from Helicone to Plugsky simplifies your stack — no proxy layer needed. Plugsky provides models and observability directly:

// Before — Helicone (proxy to provider)
const openai = new OpenAI({
  baseURL: 'https://oai.helicone.ai/v1',
  apiKey: 'sk-helicone-...',
  headers: { 'Helicone-Auth': 'Bearer sk-...' }
});

// After — Plugsky (models + observability, no proxy)
const openai = new OpenAI({
  baseURL: 'https://api.plugsky.com/v1',
  apiKey: 'sk-live-...'
});
// Model usage, costs, and logs are available in the Plugsky dashboard

Pricing comparison

Usage scenario	Helicone	Plugsky
Observability cost	Free (10K req) or $20+/mo	$0 (included in plan)
Model costs (100K req/mo)	$15–60/mo (separate)	$0 (included in flat)
Total monthly (100K req)	$35–80	$20–99 flat
Total monthly (1M req)	$170–620	$99–299 flat

Break-even: At approximately 50K requests/month, Plugsky's $20 Hobby tier (models + observability included) is cheaper than Helicone's observability cost plus separate provider fees. At 1M requests/month, savings exceed 50%.

Limitations

• Less advanced observability — Helicone offers deeper request experimentation, user analytics, and custom property tracking.
• No self-hosted open-source version — Plugsky is not available as a free open-source project. Helicone's OSS version is free to self-host.
• Smaller community — Helicone has an active open-source community. Plugsky is a commercial product with dedicated support.

Frequently asked questions

Does Plugsky provide observability like Helicone?

Yes — Plugsky includes usage logs, latency tracking, error monitoring, and cost analytics. Helicone offers deeper observability with request-level experimentation, user analytics, and custom property tracking.

Can I use Plugsky without another model provider?

Yes — Plugsky comes with 30+ built-in models. Helicone is a proxy-only layer — you need separate provider accounts for model access. With Plugsky, one API key gives you both models and observability.

Is Plugsky cheaper than Helicone?

Helicone is free for up to 10K requests/month (open-source) then paid tiers plus you pay provider costs separately. Plugsky starts at $20/mo flat with model usage included. At 50K+ requests/month, Plugsky is typically more cost-effective.

Does Plugsky offer request experimentation like Helicone?

Not yet — Helicone has request-level experimentation and A/B testing. Plugsky focuses on production observability (logs, metrics, alerts). For advanced experimentation, Helicone is stronger.

Can I self-host Plugsky like I can with Helicone?

Helicone offers an open-source self-hosted option. Plugsky is a managed service with sovereign deployment options (air-gapped, on-prem, customer-managed keys) for enterprise customers.