# Will xAI release Grok 5 before Jan 1, 2027

> Before 2027 leads at 86%, runner-up 80% across 3 winner-take-all outcomes — refreshed 2 min ago.

URL: https://simplefunctions.dev/odds/grok-grok5
Updated: 2026-05-09T05:50:39.624Z
Category: general
Status: active
Closes: 2027-01-01

## Headline

- Leader: Before 2027 at 86%
- Runner-up: Before October at 80%
- Outcomes: 3 (winner-take-all)
- Venue: Kalshi (3 contracts)
- 24h volume: $304

## Bound contracts (3)

| Outcome | Price | 24h | Volume | Venue | Slug |
|---|---|---|---|---|---|
| Before 2027 | 86¢ | +1pp | $0 | kalshi | /markets/will-xai-release-grok-5-before-jan-1-2027-before-2-kalshi-kxgrok-grok5-27jan01 |
| Before October | 80¢ | +2pp | $55 | kalshi | /markets/will-xai-release-grok-5-before-oct-1-2026-before-o-kalshi-kxgrok-grok5-26oct01 |
| Before July | 14¢ | +3pp | $249 | kalshi | /markets/will-xai-release-grok-5-before-jul-1-2026-before-j-kalshi-kxgrok-grok5-26jul01 |

## 30-day trajectory

| Day | Before 2027 | Before October | Before July |
|---|---|---|---|
| 2026-04-09 | — | 86 | 22 |
| 2026-04-11 | 86 | 81 | 24 |
| 2026-04-25 | 85 | 77 | 14 |
| 2026-04-28 | — | 78 | 13 |
| 2026-05-01 | — | — | 13 |
| 2026-05-02 | 85 | — | — |
| 2026-05-07 | 86 | — | 11 |
| 2026-05-08 | — | 80 | — |
| 2026-05-09 | — | — | 14 |

_27 days of price history captured. Each row is the daily mean of intraday 5-min captures._

## What moved the line

- 2026-05-09 · Before July +3pp 11→14¢ · kalshi

## Analysis

This probability reflects a roughly even-odds assessment that xAI will publicly release Grok 5 within approximately 8 months. The timeline is compressed relative to typical AI model release cycles, with most major labs (including Anthropic, valued at 90 cents for Claude 5 before January 2027) showing similarly constrained windows. The 54% probability suggests meaningful uncertainty about whether xAI accelerates its development roadmap or encounters delays. Key drivers include xAI's stated development velocity, competitive pressure from other frontier labs, and available compute resources. The resolution hinges on whether an official public release or deployment occurs before the January 1, 2027 deadline, though definitions of 'release' (beta vs. full deployment) could introduce interpretation questions during resolution.

### Key factors

- xAI's recent development pace: Grok 4 release timing and subsequent updates provide the strongest signal for predicting when Grok 5 might launch
- Competitive timing: Anthropic's Claude 5 release odds at 90% suggest industry-wide acceleration, which could either accelerate or delay xAI's roadmap depending on market dynamics
- Frontier AI model release interval: Historical data shows 6-18 month gaps between major versions at leading labs; an 8-month window aligns with accelerated but not unprecedented timelines
- Compute availability: xAI's access to training infrastructure directly constrains development speed and would determine feasibility of meeting the 2026 deadline
- Market definition clarity: Resolution depends on whether 'release' includes limited beta access or requires broad public/commercial availability

## Methodology

Headline is the **leader's price**, not an arithmetic mean — averaging disjoint winner-take-all outcomes is meaningless. Per-outcome prices come from the venue's last-traded mid; cross-venue values are simple means across contracts on each venue.

## How to use this data

- HTML: https://simplefunctions.dev/odds/grok-grok5
- JSON: https://simplefunctions.dev/api/public/odds?slug=grok-grok5

## License

CC-BY-4.0. Attribute "SimpleFunctions" with a link to https://simplefunctions.dev. See https://simplefunctions.dev/legal for terms.