Dynasty Seer vs Dynasty Dealmaker

Both are built for Sleeper dynasty leagues and both use AI to suggest trades. Dynasty Dealmaker leads with three-season roster projections and an AI chat. Dynasty Seer leads with the people: a scouting report on every owner from your league’s own history, and trade ideas checked in code against both lineups before you see them.

Try the demo league Scout your own league

Pick Dynasty Seer if

You want each league-mate’s trading habits spelled out, with the numbers behind every read, and offers built around them.

Pick Dynasty Dealmaker if

You want multi-season roster projections and an AI chat for strategy questions.

Topic by topic

Side by side

From Dynasty Dealmaker’s own pages as read in October and November 2026.

TopicDynasty SeerDynasty Dealmaker

What it is

Dynasty SeerA GM for Sleeper dynasty leagues: owner scouting reports, league-adjusted values, AI trade ideas and the weekly tools.

Dynasty DealmakerIn its own words, a decision-support product for fantasy football managers: three-season roster projections, an AI trade generator and chat, and a roster analyzer.

Your league-mates

Dynasty SeerA scouting report on every owner from the league’s own history: what they overpay for, when they sell, who they deal with, how fast they answer, and how to open a deal with them.

Dynasty DealmakerIts pages say it reads every owner in your league: who is buying, who is selling, who is hoarding picks and who hasn’t made a trade in a year. What its paid Owner Insights contains isn’t described.

AI trades

Dynasty SeerTrade Ideas builds the deals in code, holds them to rules (both lineups, each team’s window, who will say yes) and has the AI choose among them and write the pitch.

Dynasty DealmakerAn AI trade generator and an AI chat for strategy questions.

Where values come from

Dynasty SeerDynasty Dealer’s values, built from real Sleeper trades, repriced for each league’s scoring, lineup slots and number of teams.

Dynasty DealmakerKeepTradeCut and FantasyCalc, by its methodology page.

Weekly tools

Dynasty SeerLineup optimizer, matchups, playoff odds, waivers with bid guides, alerts and a Tuesday briefing.

Dynasty DealmakerLineup autopilot and a weekly league podcast, in its paid tiers.

Connecting a league

Dynasty SeerYour Sleeper username: public data, read-only, never your Sleeper password. Sleeper only.

Dynasty DealmakerA Sleeper username for its free analyzer, public data, no login. How an account connects Sleeper isn’t stated. Sleeper only.

Price

Dynasty SeerA Free plan for one league; Pro for every league and more AI, with a free trial.

Dynasty DealmakerA free tier with weekly tokens; paid tiers, one with a free trial.

Dynasty Dealmaker is its owner’s trademark; Dynasty Seer isn’t affiliated with it, or with Sleeper. Its pages change, so check dynastydealmaker.com for today’s details.

More comparisons

See it for yourself

Scout a real dynasty league in under a minute

The demo is a real Sleeper dynasty league with made-up names. No sign-in, nothing to install.

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Values by Dynasty Dealer · League data from Sleeper · Not affiliated with Sleeper