OpenAI vs. Anthropic: First to another Millennium Prize Solution?

techActive

Closes Jan 1, 2028 UTC

OpenAI

58.5%

Anthropic

41.5%

OpenAI costs 58.5¢Anthropic costs 41.5¢

24h Volume

$3.7K

Total volume

$3.7K

Liquidity

$519

Closes

Jan 1, 2028 UTC

Open positions

The positions Polymarket reports for this market, largest first.

Trader	Outcome	Shares	Avg entry	Cost basis	Last trade
pootytherewardfarmer	Anthropic	107	43.7%	$46.79
molodoyy	OpenAI	89	61.9%	$54.37	Sep 10, 6:12 PM UTC
AJSV	OpenAI	64.66	60.9%	$38.92	Oct 14, 2:05 PM UTC
aandriy	Anthropic	36.38	29.8%	$10.55	Oct 4, 3:38 PM UTC
Jesetrading	OpenAI	32.5	35.0%	$11.38
cat6767	OpenAI	25	40.8%	$9.95	Sep 10, 8:59 AM UTC
WINMALE	Anthropic	20.55	36.9%	$7.4	Sep 11, 2:15 PM UTC
lissartter	Anthropic	20.27	39.2%	$7.95
Slackjaw	Anthropic	20	50.0%	$10	Sep 11, 4:13 AM UTC
pppnn	OpenAI	20	78.0%	$15.6
29EDa18df836aD93a8c285F97873bBE26118A8da.	OpenAI	17.25	78.0%	$13.46	Oct 12, 8:53 PM UTC
vinii	Anthropic	16.39	39.0%	$6.39
Overjoyed-Lay	OpenAI	16.39	62.0%	$10	Sep 10, 6:07 PM UTC
puravida	Anthropic	15	51.0%	$7.5	Sep 10, 5:56 AM UTC
cambridgeisaac	Anthropic	14	14.0%	$1.96
Wartlock	Anthropic	13.89	36.9%	$5	Sep 15, 8:47 PM UTC
winexecutescale	Anthropic	9.94	37.0%	$3.68
fefaa	Anthropic	9.27	36.9%	$3.34	Sep 14, 1:19 PM UTC
Bright Orbit A259	OpenAI	6.6	75.8%	$4.95	Sep 23, 5:32 PM UTC
2B9S	OpenAI	6.29	74.8%	$4.7
Radiant-Substitution	Anthropic	5.41	37.9%	$2	Sep 14, 5:56 PM UTC
Each-Caliber	OpenAI	5.07	67.9%	$3.4	Sep 10, 6:12 PM UTC
Solar Signal F3B1	OpenAI	3.36	62.0%	$2.08	Sep 10, 8:45 PM UTC
277488	OpenAI	1.59	63.9%	$1	Oct 18, 4:42 AM UTC
youyizhiguangg	Anthropic	1.58	36.0%	$0.57
Welcome2026	OpenAI	1.56	64.9%	$1	Sep 10, 6:12 PM UTC
42012	OpenAI	0.4	60.0%	$0.24