Aviso vs Clari Forecast (2026)
An enterprise choosing a forecasting system here is weighing Aviso's modelling architecture and broad module set against Clari Forecast's place inside Salesloft's execution platform. Aviso runs large quantitative models beside language model orchestration, keeps pipeline and forecast history across many quarters, and has a customer reference forecasting contract and consumption revenue together. Its proposal can include free migration and a buyout of the contract a team is leaving. Clari Forecast trains its Forecast AI on the customer's own deal history, and a forecast gap or a slipping deal can open seller actions inside Salesloft. Clari carries the deeper security and integration record: ISO 27001 and SOC 2 Type II, an MCP server with write back, and a named United States hosting location. Aviso explains more about how an answer is checked before it reaches a user. Neither publishes a price, and neither defines how far an agent may act without approval.
- Revenue arrives through contracts and consumption at once. Aviso forecasts both together, with a customer reference running that mix.
- Forecast review depends on what changed, not only where a deal sits today. Aviso retains pipeline and forecast snapshots across quarters for time series analysis.
- The team is leaving a forecasting contract before it ends. Aviso offers to buy out the existing vendor contract and migrates the data at no charge.
- Sellers already run their cadences in Salesloft. Clari Forecast sends forecast gaps and deal risks into their daily actions there.
- External assistants need governed access to the forecast. Salesloft's MCP server exposes Clari forecasting and deal inspection data, with write back, to Claude, ChatGPT, Copilot and Gemini.
- Security review needs certified controls and a known hosting country. Clari holds ISO 27001 and SOC 2 Type II, and its platform runs in the United States.
This comparison is published by GTM Tech Index, an independent research platform that compares go to market software vendors objectively. Aviso and Clari Forecast are each graded against the same capability taxonomy, from each vendor's own public materials, under the GTM Tech Index verification standard. No vendor pays for placement, and no vendor has reviewed this page. How this evidence is graded
Plain facts
| Aviso | Clari Forecast | |
|---|---|---|
| Primary category | Revenue Intelligence & Forecasting | Revenue Intelligence & Forecasting |
| Founded | 2012 | Not published |
| Headquarters | Redwood City, California, United States | Not published |
| Website | www.aviso.com | www.clari.com |
Side by Side
| Axis | A Aviso |
C Clari Forecast |
|---|---|---|
|
AI Capability
|
||
| AI Centrality | ||
| Autonomy and Oversight Model | ||
| AI Disclosure and Model Transparency | ||
| Operational and Outcome Evidence | ||
|
Compliance and Risk
|
||
| Outreach Compliance Posture | ||
| Data Privacy Posture | ||
| Data Licensing and Provenance | ||
| Platform Terms Exposure | ||
| AI Safety and Data Stewardship | ||
| Recipient Disclosure and Authenticity | ||
|
Integration and Deployment
|
||
| Ecosystem and Integration Depth | ||
| Deployment Model and Data Residency | ||
| Security Certifications and Trust Center | ||
|
Commercial and Operational
|
||
| Commercial Transparency | ||
| Exit and Data Portability | ||
| Deliverability and Sending Discipline | ||
| Segment and Market Coverage | ||
The short version of each
Aviso
Aviso builds forecasting, pipeline inspection, conversation intelligence, sales engagement and customer success intelligence into one revenue platform sold by module. Its assistant runs large quantitative models alongside language model orchestration, with revenue operations ontologies that scope each query and deterministic validation that checks an answer before it returns. The GTM Tech Index grades it B on AI disclosure for publishing that architecture, one step above Clari, although the benchmarks behind it are Aviso's own. Pipeline and forecast history is kept across many quarters, so a reviewer can see how a deal moved rather than only where it sits now. A customer reference covers contract and consumption revenue in the same forecast. Aviso claims more than 98 percent forecast accuracy without defining the tolerance or the point in the quarter where it is measured. Its proposals can include free migration and a buyout of an incumbent contract.
Source: GTM Tech Index, 2026
Clari Forecast
Clari Forecast sets an AI projection beside the human forecast call. Forecast AI is trained on the customer's own deal history and projects outcomes from deal size, stage and velocity, while week over week pipeline views show where coverage moved. Inspect flags slipping deals, stalled buying activity and execution gaps, and a flagged risk can open an action plan in the seller's workflow inside Salesloft, which now sells Clari Forecast. The GTM Tech Index grades Clari A on ecosystem and integration depth: Salesloft's MCP server exposes Clari forecasting and deal inspection data to Claude, ChatGPT, Microsoft Copilot and Gemini, with write back for actions. Its security record also reaches A, with ISO 27001, ISO 27701 and SOC 2 Type II, and the platform is hosted in the United States. No price is published, and every quote comes through Salesloft's sales team.
Source: GTM Tech Index, 2026
Common questions
Which forecasts revenue more accurately, Aviso or Clari?
Neither publishes a test that settles it. Aviso claims more than 98 percent forecast accuracy but gives no tolerance or measurement point in the quarter, and the GTM Tech Index grades its outcome evidence C for that reason. Clari's evidence is analyst placements and commissioned economic studies, which measure business results rather than forecast error. Neither figure is an error rate for a particular company's quarter.
Can Aviso or Clari forecast consumption revenue alongside contracts?
Aviso can. Consumption forecasting is part of its forecasting module, and a customer reference runs contract value and consumption revenue in one forecast. Clari Forecast filters the forecast by bookings, renewals, region, segment, account size and period, and consumption models are not part of its published product. Graded by GTM Tech Index against seventeen capability axes from each vendor's own published materials, verified October 13, 2026. No vendor pays for placement.
Where do Aviso and Clari host customer data?
Clari's platform is hosted in the United States, and the GTM Tech Index grades it B on deployment for naming that location, with no European region named for Clari. Aviso names no hosting provider or region. Its privacy policy allows transfers to affiliates and service providers in other countries on the basis of user consent, which leaves Aviso at C on the same axis.
What does moving from Clari to Aviso involve?
Aviso offers to buy out an existing forecasting contract and to migrate at no charge, and it runs onboarding and implementation. On the Clari side, the master agreement keeps customer data available for export for 90 days after the subscription ends, and a multiyear Clari subscription stays committed for its full term. Forecast snapshots and inspection history are the hardest part to carry across, since neither vendor describes an export format for them. Graded by GTM Tech Index against seventeen capability axes from each vendor's own published materials, verified October 13, 2026. No vendor pays for placement.
Do Aviso and Clari agents act without approval?
Aviso sells agents across the revenue cycle, and Clari Forecast includes the AI Forecast Agent. The GTM Tech Index grades both C on autonomy and oversight, since neither publishes what an agent may change without a person approving it. Aviso validates an answer deterministically before it returns, which checks correctness rather than permission. Clari's agent sets its projection beside the human call rather than replacing it, and Salesloft's MCP write back lets an outside assistant take actions inside the platform.
Related comparisons
Other published head to head assessments involving these vendors or their closest peers. The full set for this category is on the Sales Engagement & Outreach page.
Clari and Salesloft completed their merger on 3 December 2025 and have operated as one company under the Salesloft name since September 2026; Clari Forecast keeps the Clari name and is sold through Salesloft. Aviso's accuracy, win rate and time saved figures are its own, and Clari's economic studies were commissioned. Neither vendor publishes a price.