A head-to-head comparison of Kalshi and Augur — pricing, the features that actually differ, and which one fits which use case.
The first CFTC-regulated event contracts exchange — legally trade on economic and political outcomes in the US
The original decentralized prediction market protocol on Ethereum with permissionless market creation
These are the 9 capabilities where the two tools genuinely diverge — the rest of their feature sets overlap.
| Capability | Kalshi | Augur |
|---|---|---|
| Settlement Mechanism | CFTC-regulated exchange | REP token oracle + dispute |
| Trading Model | Central limit order book | AMM + order book |
| Collateral Token | USD | DAI |
| Min Trade | $1 | Gas cost minimum |
| Embeddable Odds | Yes | No |
| Geo Restrictions | US-focused (not all countries) | None |
| Market Creation | CFTC-approved only | Permissionless |
| Mobile App | Yes | No |
| Governance Token | No | Yes |
| Feature | Kalshi | Augur |
|---|---|---|
| Settlement Mechanism | CFTC-regulated exchange | REP token oracle + dispute |
| Trading Model | Central limit order book | AMM + order book |
| Collateral Token | USD | DAI |
| Min Trade | $1 | Gas cost minimum |
| Api Access | ✓ | ✓ |
| Embeddable Odds | ✓ | ✗ |
| Geo Restrictions | US-focused (not all countries) | None |
| Market Creation | CFTC-approved only | Permissionless |
| Mobile App | ✓ | ✗ |
| Governance Token | ✗ | ✓ |
Both tools are free to use — costs come from network or usage fees.
Kalshi
Free
Augur
Free
Watch out: Market selection is limited to CFTC-approved topics only.
Watch out: Very low active trading volume compared to Polymarket or Kalshi.
Kalshi edges ahead on our editorial score (4.3/5), but these tools aren’t straight substitutes. Pick Kalshi when cftc-regulated — legally accessible to us persons unlike polymarket matters most to your workflow; pick Augur when pioneer protocol — foundational architecture reference for all modern prediction markets is the priority. The deciding factor is usually the trade-off you can least afford — Kalshi means accepting that market selection is limited to cftc-approved topics only, while Augur means very low active trading volume compared to polymarket or kalshi.
Kalshi carries the higher editorial rating (4.3/5 vs 3.8/5), but they solve different problems. Kalshi is the stronger pick when you need cftc-regulated — legally accessible to us persons unlike polymarket. Augur wins when pioneer protocol — foundational architecture reference for all modern prediction markets.
Both tools are free to use, with costs coming from network or usage fees rather than subscriptions.
Kalshi's main limitation is that market selection is limited to cftc-approved topics only. For Augur, very low active trading volume compared to polymarket or kalshi. Weigh these against how you actually plan to use the tool.
In most cases yes — many teams run both, using each where it's strongest. Since Kalshi leads on cftc-regulated — legally accessible to us persons unlike polymarket and Augur on pioneer protocol — foundational architecture reference for all modern prediction markets, the two are often complementary rather than mutually exclusive.