KalshiCheck availabilityKYC requiredVerified resolution dataWell calibratedSelected book midpoint
Before Jan 1, 2027 · —
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Stored price
Before Jan 1, 2027 12%Leader of 5 outcomes
Before Jan 1, 2027 12%Market quality
64 / 100
Medium quality24h Volume
$404
Open interest
$288.1K
High open interestBid / Ask
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Before Jan 1, 2027Spread
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Market data
Updated 4 minutes ago
Apr 16, 26, 2:00 AM UTCDec 1, 26, 4:59 AM UTC
Chart and changes show stored historical probabilities, not the selected live book.
Trends
Selected row: book midpoint. Other rows: stored references, possibly normalized; 24h changes use stored history.
Before Sep 1, 2026Lost
Before close: 5% ·
Before Oct 1, 2026Lost
Before close: 2% ·
Venue terms
Source: Kalshi
Informational venue terms only; CoinRithm paper trading uses its own rules.
- Early close:
- Yes
- Settlement timer:
- 30m (informational)
Market depth · Before Jan 1, 2027
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
When will Anthropic release Claude 6?
KalshiWill Anthropic release a new Claude Fable model before October 26, 2026?
Manifold MarketsClaude Fable 5.2+ (Anthropic) release date
Manifold MarketsWill Anthropic release an open-weights model in 2026?
Manifold MarketsWhen will Anthropic release a personal AI agent?
KalshiWhen will Anthropic officially announce an IPO?
KalshiRules
If Anthropic releases A model called Mythos before Jan 1, 2027, 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.
Rules for each outcome
- Before Jan 1, 2027
- If Anthropic releases A model called Mythos before Jan 1, 2027, then the market resolves to Yes.
- Before Dec 1, 2026
- If Anthropic releases A model called Mythos before Dec 1, 2026, then the market resolves to Yes.
- Before Sep 1, 2026
- If Anthropic releases A model called Mythos before Sep 1, 2026, then the market resolves to Yes.
- Before Oct 1, 2026
- If Anthropic releases A model called Mythos before Oct 1, 2026, then the market resolves to Yes.
- Before Nov 1, 2026
- If Anthropic releases A model called Mythos before Nov 1, 2026, then the market resolves to Yes.
Prediction Source Comparison
- Also available on Manifold Markets — When will Anthropic release Mythos? · Before Dec 1, 2026 8%
