🤖Tech/POLYMARKET/May 16, 2026
polymarket market

Will Google have the best AI model at the end of May 2026?

PRISM
31.0%
MARKET (PUBLISH)
20.5%
MARKET (SETTLED)
0%
MOVE
-21pp

PRISM detected 5.0pp mispricing — market held

PRISM estimated 31% against the market's 21%. This time, the market was right — a calibration data point.

PRISM MISSED-100% return
ISSUED FORECASTMay 15, 2026 at 12:04 AM
MODERATE · UNDERPRICED+5.0ppPRISM 31% · Market 21%
Live view diverged · PRISM reclassified to MODERATE with edge now +5.0pp. The issued forecast above is the historical commitment scored on the public ledger.
PRISM
31.0%
VS
MARKET
20.5%
EDGE DETECTED5.0pp
WEAK
MODERATE
STRONG
EXTREME
OUTCOME
NO
FORECAST
MODERATE
DIRECTION
UNDERPRICED
CONFIDENCE
LOW
ACCURACY EDGE
-39
PUBLISHED
May 16, 2026
VIEW LIVE PRISM FORECASTSEdge scoring updated every 2h
1

What happened

This market resolved NO on June 1, 2026. The market's pricing turned out to be more accurate than PRISM's assessment.

Forecast Tape

5 events
  1. Apr 26, 12:12 PMPUBLISHED

    Prism 26% vs market 28% — NONE FAIR

  2. Apr 27, 4:12 AMMARKET MOVED

    Market 28% → 34% (+6pp)

  3. May 1, 4:10 PMMARKET MOVED

    Market 34% → 17% (-17pp)

  4. May 15, 12:04 AMRE-ANALYZED

    Forecast NONE → MODERATE at Prism 31%

  5. Jun 1, 2:50 AMRESOLVED NO

    Resolved NO. Market was closer than Prism on this call.

2

What the market believed

MARKET PRICE · AT FORECAST TIME
20.5%

The market was pricing this event at 20.5% probability when PRISM generated its forecast. PRISM assessed this was too low — the market was underpricing the probability.

3

What PRISM believed

PRISM PROBABILITY
31.0%
EDGE DETECTED
5.0pp
FORECAST
MODERATE UNDERPRICED
Confidence
LOW
Kelly Reference
N/A
PRISM Sizing (¼ Kelly · cap 5%)
N/A
PRISM REASONING
  • Fundamental analysis indicates Google has a meaningful but minority chance to hold the top leaderboard slot
  • Competitive upgrade cycles from multiple labs and snapshot-based resolution constrain upside probability
FACTORS FOR
  • +Google currently holds #1 on the specified leaderboard.
  • +Alphabetical tie-breaker favors Google over several close competitors.
FACTORS AGAINST
  • Strong pipeline of upgrades from multiple top competitors before May 2026.
  • Leaderboard depends on crowd preferences, not pure technical capability.
RESOLUTION PATHS MODELED
Google ships strong successors and defends or regains #1 ranking16%
Rivals split votes while Google barely leads Arena snapshot6%
Near-tie in Arena scores broken in Google’s favor4%
Evidence 49%
SOURCES (8)
last week
  • The 10 best AI models in 2026 | The Jotform Blogjotform.com

    GPT-4o is the most powerful option in their current lineup. You can use the AI model in ChatGPT to generate text — users on a free plan have limited access.

    May 12Open →
  • Accelerating on-device AI: A look at Arm and Google AI Edge ...developers.googleblog.com

    Discover how Arm SME2 and Google AI Edge streamline on-device generative AI, delivering 5x faster inference and significant memory savings for multimodal ...

    May 14Open →
  • Google Just Changed AI Forever | Gemini Era Explained (I/O 2026)youtube.com

    ... Google's latest models handle massive 2-million token contexts and deliver faster, smarter, and more efficient AI performance. Project Astra Meet Google's ...

    May 14Open →
  • Top AI this week Odds & Predictions 2026 - Kalshikalshi.com

    Track what Kalshi's markets predict for "Top AI this week", or trade it yourself.

    May 16Open →
  • Best AI Models May 2026: Winners, Losers & Full Comparisonbuildfastwithai.com

    19 AI models dropped in 30 days. GPT-5.5, Claude Opus 4.7, Gemini 3.1, DeepSeek V4 - here is which one actually wins in May 2026.

  • Will Google I/O 2026 Launch Gemini 4.0? Markets Eye AI ...tradingkey.com

    Google I/O 2026, commencing May 19 ET, will feature Gemini prominently, with potential new model releases and AI smart glasses. Google Marketing Live ...

    May 14Open →
  • Why Google I/O 2026 Is Different This Time — Agentic AI, Unified OS ...pub.towardsai.net

    Gemini 4 is the most anticipated AI model release of 2026 from Google, and the early signals are extraordinary. According to multiple credible reports, Gemini ...

    May 11Open →
  • Google I/O 2026: AI Takes Center Stage With New Gemini and ...trendingtopics.eu

    When Google opens its developer conference I/O in Mountain View next Tuesday, artificial intelligence is once again expected to take center stage.

    May 15Open →

PRISM RETRIEVES EVIDENCE FROM A CURATED LIST OF PRIMARY WIRES + OFFICIAL SOURCES

4

Why the gap existed

Prism's 10.5% edge call was wrong — market was right

CALIBRATION SCORECARD
PRISM ACCURACY
0.068
MARKET ACCURACY
0.029
EDGE
-38.7
Brier edge
The market's probability estimate was more accurate than PRISM's on this call.
5

How this forecast played out

1.PRISM analyzed Will Google have the best AI model at the end of May 2026?, classifying it as underpriced at 20.5%.
2.Forecast classification: MODERATE UNDERPRICED — PRISM estimate 31.0% vs market 20.5%.
3.Kelly reference at forecast time: —% (¼ Kelly, capped at 5%; mathematical reference only — not a position recommendation).
4.Outcome: resolved NO.

Get live PRISM forecasts for Kalshi + Polymarket.

Edge scores, Kelly references, confidence levels, and resolution paths — updated every 2 hours, before the market corrects.

VIEW LIVE FORECASTS
PRISM: v0.9.125-fast-ledger-floor·Forecasted: May 16, 2026·Resolved: June 1, 2026·polymarket
For informational purposes only. Not financial advice. EdgeCal provides PRISM-generated market analysis and does not execute trades, manage funds, or guarantee returns. Past performance does not indicate future results.