KalshiCheck availabilityKYC required2% feeVerified resolution dataFairly calibratedCurrent implied probability
Before Dec 1, 2026 19%+11.0ptLeader of 6 outcomes
Market quality
50 / 100
Medium quality24h Volume
$1.9K
Liquidity
$348.7K
High liquidityMarket data
Updated 10 minutes ago
Apr 16, 26, 2:00 AM UTCOct 1, 26, 3:59 AM UTC
Trends
Related Markets
Related questions for context, not a comparison of equivalent contracts.
When will Anthropic release Opus 6?
KalshiClaude Opus 5.1+ (Anthropic) release date
Manifold MarketsWhich months will Google OR OpenAI OR Anthropic release a new LLM
Manifold MarketsClaude Fable 5.2+ (Anthropic) release date
Manifold MarketsWill CMI declare a Millennium Prize Problem solved by which date?
PolymarketAnthropic IPO by which date?
PolymarketRules
If Anthropic releases A model called Mythos the named outcome, then the market resolves to Yes.
Settles via:Anthropic
- Release must be to the public, outside of a closed beta, though limiting it to a high-cost subscription tier is acceptable.
Prediction Source Comparison
- Also available on Manifold Markets — When will Anthropic release Mythos? · Before Jan 1, 2027 11%
Open markets
AIPOLYMARKETWill CMI declare a Millennium Prize Problem solved by which date?
- 2028-11.0pt62.4%
- 2027-3.5pt29.7%
- 2026-1.5pt7.9%
- Total Vol
- $280.7K
- 24h Vol
- $148.9K
POLYMARKETAnthropic IPO by which date?
- December 31,-2.0pt88%
- December 15,86%
- November 30,+1.0pt85%
+7 more outcomes
- Total Vol
KALSHIBest AI at the end of 2026?
- Claude-1.7pt58.8%
- ChatGPT-2.1pt23.5%
- Grok+2.3pt7.8%
+5 more outcomes
- Total Vol
- $10.6M
KALSHITop AI model in September?
- claude-fable-5.1-max+1.0pt72%
- claude-opus-5-max+3.0pt10%
- claude-opus-4-6-thinking+1.0pt5%
+3 more outcomes
- Total Vol
KALSHIWhen will Anthropic officially announce an IPO?
- Before Apr 1, 2027+5.0pt97%
- Before Jan 1, 2027+5.0pt96%
- Before Mar 1, 2027-1.0pt94%
+9 more outcomes
KALSHIBest AI in Sep 2026?
- Claude+1.0pt80.6%
- ChatGPT-2.0pt10.2%
- Gemini+1.0pt2.8%
+4 more outcomes
- Total Vol
- $406.5K
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Frequently asked questions
- What are the current odds for When will Anthropic release Mythos??
- Kalshi prices Before Dec 1, 2026 at 19% as of September 9, 2026.
- When does When will Anthropic release Mythos? resolve?
- When will Anthropic release Mythos? is scheduled to resolve on October 1, 2026.
- How is When will Anthropic release Mythos? settled?
- Kalshi settles this market as follows: If Anthropic releases A model called Mythos the named outcome, then the market resolves to Yes.
- Where else is When will Anthropic release Mythos? listed?
- The same question is also listed on Manifold Markets.