Respan

Respan is an LLM engineering platform for teams that want traces, metrics, evals, prompt management, monitors, spend limits, and a gateway in one...

7.3/10 Useful

Active

Monthly $0 Free Annual Team paid with additional-seat pricing shown Price Enterprise custom

Best plan

Start on Free to instrument traces, evals, prompts, and gateway...

Risk: Respan can consolidate LLMOps workflows, but buyers...

Try Respan free

Editorial · no paid placements

Should you use it?

Respan is an LLM engineering platform for teams that want traces, metrics, evals, prompt management, monitors, spend limits, and a gateway in one place. Pick it when production AI quality, cost, and model-routing evidence are becoming hard to manage. Verify Team pricing and data-handling terms before standardizing.

Buy if Teams that want LLM traces, evals, prompts, and gateway data in one product
Pick Start on Free to instrument traces, evals, prompts, and gateway traffic. Move to Team when shared startup or product-team workflows need paid collaboration and seat growth. Use Enterprise only when support, compliance, HIPAA BAA, or custom deployment terms are required
Skip if Teams that only need a free local eval framework

Plan guidance

What to buy

Best plan Start on Free to instrument traces, evals, prompts, and gateway traffic. Move to Team when shared startup or product-team workflows need paid collaboration and seat growth. Use Enterprise only when support, compliance, HIPAA BAA, or custom deployment terms are required

Watch: Respan can consolidate LLMOps workflows, but buyers...

Price range $0 Free; Team paid with additional-seat pricing shown; Enterprise custom

Upgrade only if Not for teams that only need a free local eval framework

Respan can consolidate LLMOps workflows, but buyers...

Current pricing source: Respan pricing

Fit

Use it for this, skip it for that

Best for

Teams that want LLM traces, evals, prompts, and gateway data in one product
AI products comparing models, prompts, fallbacks, and production traffic quality
Startups that need observability before a heavier enterprise LLMOps platform
Teams replacing direct provider calls with an OpenAI-compatible gateway

Avoid if

Teams that only need a free local eval framework
Buyers that want an open-source self-hosted platform first
Non-technical teams looking for Zapier-style workflow automation
Teams unwilling to route or mirror sensitive model traffic into a new platform

Watch out: Respan can consolidate LLMOps workflows, but buyers should verify live Team pricing, retention, data residency, gateway latency, provider bills, and whether observability or routing is the first missing layer.

Recent changes

Only what affects the decision

Jun 28, 2026
Free
The page describes Free as a getting-started route
Respan pricing
Jun 28, 2026
Team
Use checkout or sales confirmation for the live Team base amount
Respan pricing
Jun 28, 2026
Enterprise
Enterprise is the route for larger organizations, support, and compliance needs
Respan pricing

Alternatives

Best swaps

Hugging Face

Open AI collaboration hub for models, datasets, Spaces, inference endpoints, evaluations, and enterprise ML workflows.

Free hub access; Pro $9/mo; Team $20/user/mo; Enterprise from $50/user/mo; paid compute/storage · 9.3/10 LiteLLM

Open-source LLM gateway and Python SDK for one OpenAI-compatible interface across 100+ model providers, with routing, virtual ke

Free MIT core outside enterprise directory; Enterprise custom · 8.8/10 promptfoo

Open-source LLM evaluation, red teaming, vulnerability scanning, guardrails, model security, MCP proxy, code scanning, and enter

Community free / Enterprise custom / On-Premise custom · 8.8/10

Build comparison

Proof and score math Verified Jun 28

Proof

Why this recommendation is trusted

Evidence Respan official site

Source: Registered source
Freshness: Current
Confidence: Medium confidence
Verified: Jun 28, 2026
Review: Jul 28, 2026
Volatility: Volatile

High-volatility evidence needs frequent review.

Editorial score

Unweighted average of 4 axes · confidence high

Utility 8/10

How much real work it can do for a competent operator, end to end.
Value 7/10

What you get for the dollar relative to the closest alternative.
Moat 7/10

How hard it would be for a competitor to replicate the underlying advantage.
Longevity 7/10

How likely the product is to still be best-in-class 24 months out.

Verified facts

Best For AI product teams that want LLM traces, metrics, evals, prompt management, monitors, spend limits, and an OpenAI-compatible gateway in one platform.
high Drifts 2026-06-28 Respan official site
Pricing Anchor Respan's pricing page lists Free at $0, Team as the popular startup and growing-team plan, Enterprise as contact-us, and additional seats at $15/member; the June 28 check did not expose a clean Team base price in the rendered HTML.
medium Volatile 2026-06-28 Respan pricing
Watch Out For Respan can consolidate LLMOps workflows, but buyers should verify live Team pricing, retention, data residency, gateway latency, provider bills, and whether observability or routing is the first missing layer.
medium Volatile 2026-06-28 Respan pricing
Gateway Scope Respan's gateway docs describe a single OpenAI-compatible endpoint for 1000+ LLMs with automatic tracing, prompt management, fallbacks, load balancing, caching, custom attributes, limits, and monitors.
high Volatile 2026-06-28 Respan gateway docs
Eval Scope Respan's eval quickstart frames the workflow around a prompt or model, dataset, evaluator, and experiment, then compares results after prompt changes.
high Drifts 2026-06-28 Respan eval docs

Full review notes Long-form details, FAQ, and source history

Respan is the active product name for the platform that was previously searched under Keywords AI. It sits in the LLMOps lane: observe model calls, evaluate prompts and models, manage prompt versions, monitor cost and latency, and route traffic through an OpenAI-compatible gateway.

The buyer reason to care is consolidation. If traces live in one tool, evals in another, prompts in a spreadsheet, and routing in app code, Respan can become the shared surface for AI product quality and cost control.

System Verdict

Pick Respan when production AI behavior needs one control room. It is strongest when a team needs traces, metrics, evals, prompt management, monitors, spend limits, and gateway routing tied to the same production traffic.

Skip it when code-first evals are enough. DeepEval, Ragas, promptfoo, or DSPy fit better when developers only need local tests, notebooks, or CI checks.

Best plan guidance: start on Free to validate instrumentation and workflow fit. Move to Team after shared product workflows justify collaboration and seat costs. Use Enterprise for support, compliance, HIPAA BAA, or custom terms.

Key Facts


Core job	LLM observability, evals, prompt management, monitoring, and gateway routing
Gateway	OpenAI-compatible endpoint across 1000+ LLMs according to docs
Quality workflow	Prompt or model, dataset, evaluator, experiment, comparison
Observability	Traces, logs, metrics, saved views, monitors, cost, latency, token, and error breakdowns
Pricing	Free at $0, Team paid, Enterprise custom
Main caveat	Live Team base price needs checkout or sales confirmation

When To Pick Respan

You need traces and evals together. Respan is a better fit when production logs should turn into datasets, experiments, monitors, and prompt improvements.
You need a gateway with evidence., tokens, fallback behavior, cache status, and metadata.
You need prompt release discipline. Prompt versions and experiments help teams compare changes before pushing them into production.
You need spend and reliability controls. Monitors, limits, and model fallback are useful when model calls become a shared platform concern.
You want a managed platform. Respan is easier to adopt than assembling a gateway, traces, eval dashboards, and prompt registry from separate components.

When To Pick Something Else

Open-source gateway: LiteLLM when deployment control and self-hosted routing matter more than a managed LLMOps UI.
Gateway governance: Portkey when API-key policy, guardrails, routing, and gateway governance are the main purchase.
Hosted eval operations: Braintrust or LangSmith when datasets, traces, prompt testing, and release evidence are the core team workflow.
Open-source observability: Arize Phoenix or LangWatch when self-hosting and OpenTelemetry alignment matter.
Code-first evals: DeepEval, Ragas, or promptfoo when tests should live close to code first.

Pricing

Respan was checked on June 28, 2026 against the official site, pricing page, observability page, and docs.

Route	Public price	Buyer fit
Free	$0	First instrumentation, traces, evals, and gateway validation
Team	Paid plan, additional seats shown at $15/member	Startups and growing AI teams that need collaboration
Enterprise	Custom, contact us	Larger organizations that need support, compliance, HIPAA BAA, or custom terms
Model providers	Provider-specific	Token, tool, retrieval, and retry costs still sit with model vendors

The practical buying advice: do not buy Respan as a generic dashboard. Buy it when traces, evals, prompt changes, routing, and monitors need to share the same traffic history.

Failure Modes

Pricing needs checkout confirmation. The June 28 check verified Free, Team, Enterprise, and an additional-seat line, but not a clean Team base price.
Gateway latency matters. Routing through a new data plane can affect production latency.
Eval quality depends on datasets. Weak datasets and weak evaluators can make prompt changes look safer than they are.
Provider bills remain separate. Respan helps see and control usage, but it does not make model calls free.
Data policy needs review. Prompts, outputs, metadata, and traces can contain sensitive customer or product information.

Change History

2026-06-28: Added Respan as the active Keywords AI successor surface after verifying official site, pricing, observability, gateway, and eval docs.

Methodology

This page was produced by the aipedia.wiki editorial pipeline. Scoring follows the four-dimension rubric at /about/scoring/ (Utility x Value x Moat x Longevity, unweighted average). Last verified 2026-06-28 against Respan official, pricing, observability, gateway, and eval docs.

FAQ

Is Respan the same as Keywords AI? Respan is the active product name AiPedia verified on June 28, 2026. The old Keywords AI search path should be treated as historical unless an official page says otherwise.

Is Respan free? Respan has a Free plan at $0. Team is paid, Enterprise is custom, and model-provider usage remains separate.

What is Respan best for? Respan is best for AI product teams that need observability, evals, prompt management, monitoring, and gateway routing tied to production LLM traffic.

Sources

Respan official site: platform positioning
Respan pricing: Free, Team, Enterprise, and seat-pricing surface
Respan observability: metrics, saved views, monitors, logs, traces, cost, latency, and token tracking
Respan gateway docs: OpenAI-compatible gateway, 1000+ LLMs, fallbacks, caching, tracing, and limits
Respan eval docs: prompt, dataset, evaluator, experiment, and comparison workflow

Category: AI Infrastructure · AI Coding · AI Automation
Alternatives: LiteLLM · Portkey · Braintrust · LangSmith

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According to aipedia.wiki Editorial at aipedia.wiki (https://aipedia.wiki/tools/respan/)

APA

aipedia.wiki Editorial. (2026). Respan: Editorial Review. aipedia.wiki. Retrieved July 2, 2026, from https://aipedia.wiki/tools/respan/

MLA 9

aipedia.wiki Editorial. "Respan: Editorial Review." aipedia.wiki, 2026, https://aipedia.wiki/tools/respan/. Accessed July 2, 2026.

Chicago

aipedia.wiki Editorial. 2026. "Respan: Editorial Review." aipedia.wiki. https://aipedia.wiki/tools/respan/.

BibTeX

@misc{respan-editorial-review-2026,
  author = {{aipedia.wiki Editorial}},
  title = {Respan: Editorial Review},
  year = {2026},
  publisher = {aipedia.wiki},
  url = {https://aipedia.wiki/tools/respan/},
  note = {Accessed: 2026-07-02}
}

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