Which new words will Anthropic use to name Claude models? (Haiku, Sonnet, Opus, Fable, Mythos, ...)
AIOne-Off3yManifold MarketsNo KYCVerified resolution dataFairly calibratedCurrent community forecastClaude Saga 18.8%Leader of 18 outcomes
Forecasters
39
Question type
multiple choice
Methodology
Play-money forecasting platform
Source type
Forecast
7d Change
0.0 pts
Market data
Updated 22 hours ago
StaleJun 14, 26, 2:36 AM UTCDec 31, 29, 3:59 PM UTC
Trends
Related Markets
Related questions for context, not a comparison of equivalent contracts.
What ticker will Anthropic use?
Manifold MarketsWill CMI declare a Millennium Prize Problem solved by which date?
PolymarketTop AI model in September?
KalshiAnthropic IPO by which date?
PolymarketWill Anthropic announce a solution to the Navier-Stokes Millennium problem before IPO?
Manifold MarketsAI solves Millennium Prize Problem in 2026?
Manifold MarketsRules
Anthropic names Claude model tiers with single words: poetic forms first (Haiku, Sonnet, Opus), then narrative/myth forms (Fable, Mythos).
- This market tracks which new words join that series.
- Each answer is a candidate in the form "Claude [Word]".
- Add your own.
- Answers are independent, so more than one can resolve YES.
- An answer resolves YES when its word first appears as an official Claude tier or family name in any of: the Anthropic model docs (docs.claude.com), an anthropic.com blog or launch post, or a live API model string.
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
- Gemini 4.0 released by which date?
- OpenAI’s Astra Model: Text Arena Debut?
- Tencent market share this week
- Anthropic market share this week
- Anthropic IPO Closing Market Cap
- OpenAI market share this week
- Best Chinese AI Company end of September?
- Will Anthropic’s valuation hit __ by December 31?
- Which company has best AI model end of 2026?
- Most popular AI this week
- DeepSeek market share this week
Frequently asked questions
- What are the current odds for Which new words will Anthropic use to name Claude models? (Haiku, Sonnet, Opus, Fable, Mythos, ...)?
- Manifold Markets prices Claude Saga at 19% as of September 8, 2026.
- When does Which new words will Anthropic use to name Claude models? (Haiku, Sonnet, Opus, Fable, Mythos, ...) resolve?
- Which new words will Anthropic use to name Claude models? (Haiku, Sonnet, Opus, Fable, Mythos, ...) is scheduled to resolve on December 31, 2029.
- How is Which new words will Anthropic use to name Claude models? (Haiku, Sonnet, Opus, Fable, Mythos, ...) settled?
- Manifold Markets settles this market as follows: Anthropic names Claude model tiers with single words: poetic forms first (Haiku, Sonnet, Opus), then narrative/myth forms (Fable, Mythos).