The Sierra alternative.

AI answers connected to the fix. Kai Support answers customers on every Gleap plan and hands over when a person is needed. Bug reports and feedback stay in the same workspace, and from Team so do investigation and reviewed code work, with published pricing.

4.6/5 on G2
Trusted by 4,500+ teams worldwide
Trusted by 4,500+ teams, from startups to global businesses
From the first answer to the reviewed fix and the follow-up.
Compare workflows
Sierra vs Gleap at a glance. Gleap is a support platform with Kai Support on every plan and bug reports, feedback and, from Team, investigation and reviewed code work in one workspace, with Starter at $29/month and Team at $149/month billed annually; Sierra builds branded enterprise AI agents for voice, chat and messaging, with outcome-based pricing and no public price list (checked September 26, 2026). Evaluate voice and contact-center requirements separately.
Features
Gleap
Sierra
Primary focus
Gleap
AI-native customer support, bug reports and product feedback for software teams
Sierra
Conversational AI agents for enterprise customer experience
Channels
Gleap
Web and mobile widget on every plan; email, WhatsApp and other messaging channels from Team
Sierra
Voice, chat, email, SMS, WhatsApp, Apple Business Chat and ChatGPT
Agent building
Gleap
Kai Support configured from your knowledge sources and workflows; API, MCP and web search tools from Team
Sierra
Agent Studio journeys, Ghostwriter and 40+ pre-built integrations
Technical evidence
Gleap
Reports with supported screenshots, replay, logs and customer context
Sierra
Agent Traces show decisions, tool calls and responses
AI investigation
Gleap
From Team, Kai Resolve investigates with logs, the click trail and read-only code access
Sierra
Validate source-level investigation in your proposed setup
Code work
Gleap
From Team, Kai Code plans, writes and tests code and opens a pull request for review
Sierra
Confirm the engineering handoff and integration scope
Commercial comparison
Gleap
Starter $29/month billed annually or $35 monthly; Team $149/month billed annually or $179 monthly with unlimited seats, Kai Resolve, Kai Code and Kai PM; Pro $299/month ($359 monthly) adds advanced reports, LLM model choice, the SOC 2 report and priority support; AI usage separate. USD list prices, checked September 30, 2026
Sierra
Outcome-based or blended pricing; request a current quote
Best evaluation case
Gleap
A customer question that turns into a bug, a code change and a follow-up
Sierra
High-volume voice and chat across enterprise systems of record
Price the scope you need. Gleap Starter is $29/month billed annually ($35 monthly) for one seat with Kai Support. Team is $149/month billed annually, with unlimited seats, projects and every Kai agent; Pro, at $299/month, adds advanced reports, LLM model choice, the SOC 2 report and priority support. AI usage is separate. Sierra prices per agreed outcome, with blended consumption pricing for some interactions and no public price list. Request a quote and compare it with a representative workload.

Meet your AI team.

Answer customers. Investigate issues. Build what comes next. Kai Support is on every plan; Kai Resolve, Kai Code and Kai PM are on Team and up. AI usage is billed separately on every plan.

Kai Support

Answers customers

Answers from your knowledge base and connected sources. Brings your team in when needed.

Meet Kai Support

Kai Resolve

Investigates hard tickets

Reads logs, the click trail, screenshots and code. Returns findings and prepares coding tasks for confirmed bugs.

Meet Kai Resolve

Kai Code

Builds the fix

Plans the change, writes and tests code, and opens a pull request. Your engineers review and merge.

Meet Kai Code

Kai PM

Prioritizes requests

Triages feedback, finds duplicates and scores requests. You decide what belongs on the roadmap.

Meet Kai PM

Answer from your knowledge.

Kai Support on every plan.
Kai Support answers from your help center and connected sources, and brings a teammate in when a conversation needs one. Test it with the questions your customers actually ask.
Explore Kai Support

Hand over with context.

The team sees the whole thread.
When Kai Support hands over, the conversation, customer context and any reported issue stay in the shared inbox. Your team replies from the same place.
Explore the support platform

Keep the evidence together.

See what the customer saw.
A report can include screenshots, session replay, console and network logs and device context, depending on SDK and configuration. Support and engineering work from the same evidence.
Explore bug reporting

Investigate before answering.

Give hard tickets a next step.
From Team, Kai Resolve reads the logs, click trail, screenshots and read-only code. It returns findings to the ticket and can prepare coding tasks for confirmed bugs.
Explore Kai Resolve

Prepare the fix for review.

Your engineers merge and release.
From Team, Kai Code plans the change, writes and tests code, and opens a pull request linked to the ticket. Your engineers review and merge, then confirm the fix is live before the customer hears back.
Explore Kai Code
How teams use Gleap
“Everything is in the same place.”
Tridonic brought customer conversations, ticket routing, surveys, and AI support into one Gleap workspace.
Elif Kavas
Digital Customer Experience Platforms Specialist, Tridonic
“An essential part of our development process.”
Gleap was implemented within minutes and helps MARK.ONE fix bugs quickly while building real customer relationships.
Mark Breuß
Founder, MARK.ONE
“This is an exceptionally good tool.”
A support result: Kai Support, Gleap’s support agent, handles 50 to 60 percent of Commonplace’s inbound support.
Benjy Meyer
Chief Product & Technology Officer, Commonplace