Respan vs OpenLIT
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Respan starts at See pricing page and OpenLIT starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- One API for 1,000+ models
- Automatic model fallbacks
- Response caching
- Agent tracing
- LLM-as-judge evaluators
- Red-team testing
- LLM and agent tracing
- Evals
- Guardrails
- Prompt management
- Cost and GPU monitoring
| Feature | Respan | OpenLIT |
|---|---|---|
| Best for | LLM gateway with tracing, monitoring and automated evals | Open-source observability and evals for LLM apps and agents |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | Respan | OpenLIT |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
Respan starts at See pricing page and OpenLIT starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- 100k logs
- 1k scores
- 5 datasets
- 2 evaluators
Team
$199/mo billed yearly
- Unlimited datasets and evaluators
- Unlimited prompts
- SOC 2 report
- Private Slack channel
Enterprise
Contact sales
- Custom packages
- Custom SLAs
- Dedicated support engineer
2 plans
Open source
Free
- Self-hosted
- Tracing, evals and prompt management
- Apache 2.0
Enterprise
Contact sales
- Role-based access control
- Audit logs
- Alerts to Slack and PagerDuty
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Respan
- Routing and evals in one product
- Generous free tier with 100k logs
- Open-source gateway
- Team plan is billed yearly
- Extra logs and seats cost more
- HIPAA compliance is a paid add-on
OpenLIT
- Free to self-host
- Built on OpenTelemetry
- Covers tracing, evals and prompts
- Hosted version is not yet available
- Enterprise features need a license
- Requires running your own infrastructure
Which one should you choose?
Choose Respan if you want:
- Routing and evals in one product
- Generous free tier with 100k logs
- Open-source gateway
Watch out: team plan is billed yearly.
Choose OpenLIT if you want:
- Free to self-host
- Built on OpenTelemetry
- Covers tracing, evals and prompts
Watch out: hosted version is not yet available.
Respan vs OpenLIT FAQ
What is the difference between Respan and OpenLIT?
Respan: LLM gateway with tracing, monitoring and automated evals. OpenLIT: Open-source observability and evals for LLM apps and agents. Both are models & apis tools.
Is Respan or OpenLIT cheaper?
Respan starts at See pricing page and OpenLIT starts at See pricing page. Check both pricing pages for current plans.
Do Respan and OpenLIT have free plans?
Respan: Yes. OpenLIT: Yes.
Who makes Respan?
Respan is made by Respan.
Who makes OpenLIT?
OpenLIT is made by OpenLIT.
Which should I choose, Respan or OpenLIT?
Choose Respan if you value routing and evals in one product and generous free tier with 100k logs. Choose OpenLIT if you value free to self-host and built on opentelemetry.