# Which company's AI will first hit 1550 on Chatbot Arena in 2026 — xAI

> Closed. Last odds frozen 8 h ago — final outcome on the venue.

URL: https://simplefunctions.dev/odds/which-companys-ai-first-hit-1550-chatbot-arena
Updated: 2026-06-19T01:20:20.801Z
Category: technology
Status: historical
Closes: 2026-12-31

## Headline

- Leader: None in 2026 at 75%
- Runner-up: Anthropic at 18%
- Outcomes: 4 (winner-take-all)
- Venue: Polymarket (4 contracts)
- 24h volume: $154

## Bound contracts (4)

| Outcome | Price | 24h | Volume | Venue | Slug |
|---|---|---|---|---|---|
| None in 2026 | 75¢ | +2pp | $154 | polymarket | /markets/which-companys-ai-will-first-hit-1550-on-chatbot-a-polymarket-0x2f2c1c9fb95be15c18394b3ac9ba6431ccffda7a383d08d7ab7379330e0fecaf |
| Anthropic | 18¢ | +2pp | $0 | polymarket | /markets/which-companys-ai-will-first-hit-1550-on-chatbot-a-polymarket-0x57678b4114e42eab8bb5858ee3d20b54ab3b55c18344ffcb8156e78b2066f448 |
| Google | 5¢ | ±0 | $0 | polymarket | /markets/which-companys-ai-will-first-hit-1550-on-chatbot-a-polymarket-0xc48b0f7896658f9ebb8e3d58202bb1b4e756bb69af6bd64bc4ffd0c7e82aa64c |
| OpenAI | 4¢ | +1pp | $0 | polymarket | /markets/which-companys-ai-will-first-hit-1550-on-chatbot-a-polymarket-0xff51f2c13120c22abe5781c21a2bb4dc81a8013c38b2dd472b634cad6c8ac53b |

## 30-day trajectory

| Day | None in 2026 | Anthropic | Google |
|---|---|---|---|
| 2026-05-20 | 62 | 28 | 9 |
| 2026-06-04 | 60 | 28 | 6 |
| 2026-06-05 | 60 | 29 | — |
| 2026-06-12 | 70 | 21 | 6 |
| 2026-06-17 | 75 | 16 | 6 |
| 2026-06-18 | — | 18 | — |

_30 days of price history captured. Each row is the daily mean of intraday 5-min captures._

## What moved the line

- 2026-06-15 · Anthropic −5pp 23→18¢ · polymarket
- 2026-06-16 · Anthropic −3pp 18→15¢ · polymarket
- 2026-06-15 · OpenAI +3pp 4→7¢ · polymarket
- 2026-06-16 · OpenAI −3pp 7→4¢ · polymarket

## Analysis

This market indicates a 52% probability that xAI's AI model will reach a 1550 score on Chatbot Arena before competitors in 2026. The market reflects xAI's recent momentum and technical capabilities, balanced against the substantial development efforts from established competitors like Anthropic, Google, and OpenAI. Current pricing suggests xAI is viewed as the slight frontrunner, though three other competitors collectively hold 48% implied probability of achieving this milestone first. Key drivers include xAI's rate of model improvement, the release schedules and performance gains of competing models, and the specific benchmark criteria used by Chatbot Arena evaluators. Resolution will depend on which company releases a model that first accumulates sufficient community votes to reach the 1550 threshold on the Chatbot Arena leaderboard. Market participants are pricing in uncertainty around both technical execution speed and the timing of major model releases from multiple AI development organizations through year-end 2026.

### Key factors

- xAI's Grok model improvement trajectory and planned model releases before December 2026
- Anthropic's Claude model performance gains and release schedule (implied 36% probability from runner-up contract)
- Google and OpenAI's coding model capabilities as of Dec 31 2026 (directly related Kalshi contracts show lower individual probabilities)
- Chatbot Arena's evaluation methodology and whether incremental improvements will accumulate sufficient votes to cross 1550
- Timing and technical specifications of model releases from all four organizations throughout 2026

## 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/which-companys-ai-first-hit-1550-chatbot-arena
- JSON: https://simplefunctions.dev/api/public/odds?slug=which-companys-ai-first-hit-1550-chatbot-arena

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