OP

O3 Pro

by OpenAI

text vision API Available

Input Price

$20.00

per 1M tokens

Output Price

$80.00

per 1M tokens

Context Window

200K

tokens

Max Output

100K

tokens

Quality Score

88

out of 100

Value Score

14

quality per $

Details

Provider
OpenAI
Released
10 Jun 2025
Speed
N/A
Open Source
No
API Available
Yes
Pricing Source
openrouter.ai/api/v1/models
Price Updated
21 Apr 2026

Notes

Highest reasoning quality Speed data hidden until it is refreshed from a current live measurement source.

Regional Availability

Open availability board
API Provider baseline

OpenAI API access

OpenAI API access is limited to officially supported countries and territories.

Broad supported-country coverage across the UK, much of Europe, the Americas, Africa, Asia, and Oceania. The official article is the source of truth for the exact list.

Known available

United Kingdom United States Canada France Germany Japan
Last verified 09 Apr 2026, 20:49 UTC OpenAI Help Center

Benchmark Scores

MATH-500

98

Source: OpenAI

AIME 2025

96.7

Source: OpenAI

GPQA Diamond

87.5

Source: OpenAI

SWE-bench Verified

73

Source: OpenAI

Humanity's Last Exam

26.6

Source: OpenAI

Price History

Blended price trend (input + 3×output / 4)

$65.00 → $65.00
0%
Date Input $/1M Output $/1M Change
22 Feb 2026 $20.00 $80.00
23 Feb 2026 $20.00 $80.00 0.0%
23 Feb 2026 $20.00 $80.00 0.0%
24 Feb 2026 $20.00 $80.00 0.0%
24 Feb 2026 $20.00 $80.00 0.0%
25 Feb 2026 $20.00 $80.00 0.0%
25 Feb 2026 $20.00 $80.00 0.0%
26 Feb 2026 $20.00 $80.00 0.0%
26 Feb 2026 $20.00 $80.00 0.0%
27 Feb 2026 $20.00 $80.00 0.0%
27 Feb 2026 $20.00 $80.00 0.0%
28 Feb 2026 $20.00 $80.00 0.0%
28 Feb 2026 $20.00 $80.00 0.0%
1 Mar 2026 $20.00 $80.00 0.0%
1 Mar 2026 $20.00 $80.00 0.0%
2 Mar 2026 $20.00 $80.00 0.0%
2 Mar 2026 $20.00 $80.00 0.0%
3 Mar 2026 $20.00 $80.00 0.0%
3 Mar 2026 $20.00 $80.00 0.0%
4 Mar 2026 $20.00 $80.00 0.0%
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6 Mar 2026 $20.00 $80.00 0.0%
6 Mar 2026 $20.00 $80.00 0.0%
7 Mar 2026 $20.00 $80.00 0.0%
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8 Mar 2026 $20.00 $80.00 0.0%
8 Mar 2026 $20.00 $80.00 0.0%
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9 Mar 2026 $20.00 $80.00 0.0%
10 Mar 2026 $20.00 $80.00 0.0%
10 Mar 2026 $20.00 $80.00 0.0%
11 Mar 2026 $20.00 $80.00 0.0%
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12 Mar 2026 $20.00 $80.00 0.0%
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14 Mar 2026 $20.00 $80.00 0.0%
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18 Mar 2026 $20.00 $80.00 0.0%
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20 Mar 2026 $20.00 $80.00 0.0%
21 Mar 2026 $20.00 $80.00 0.0%
22 Mar 2026 $20.00 $80.00 0.0%
23 Mar 2026 $20.00 $80.00 0.0%
27 Mar 2026 $20.00 $80.00 0.0%
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27 Mar 2026 $20.00 $80.00 0.0%
27 Mar 2026 $20.00 $80.00 0.0%
28 Mar 2026 $20.00 $80.00 0.0%
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29 Mar 2026 $20.00 $80.00 0.0%
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30 Mar 2026 $20.00 $80.00 0.0%
30 Mar 2026 $20.00 $80.00 0.0%
31 Mar 2026 $20.00 $80.00 0.0%
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31 Mar 2026 $20.00 $80.00 0.0%
31 Mar 2026 $20.00 $80.00 0.0%
8 Apr 2026 $20.00 $80.00 0.0%
8 Apr 2026 $20.00 $80.00 0.0%
8 Apr 2026 $20.00 $80.00 0.0%
8 Apr 2026 $20.00 $80.00 0.0%
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10 Apr 2026 $20.00 $80.00 0.0%
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10 Apr 2026 $20.00 $80.00 0.0%
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10 Apr 2026 $20.00 $80.00 0.0%
11 Apr 2026 $20.00 $80.00 0.0%
11 Apr 2026 $20.00 $80.00 0.0%
11 Apr 2026 $20.00 $80.00 0.0%
11 Apr 2026 $20.00 $80.00 0.0%
11 Apr 2026 $20.00 $80.00 0.0%
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11 Apr 2026 $20.00 $80.00 0.0%
11 Apr 2026 $20.00 $80.00 0.0%
11 Apr 2026 $20.00 $80.00 0.0%
19 Apr 2026 $20.00 $80.00 0.0%
20 Apr 2026 $20.00 $80.00 0.0%
21 Apr 2026 $20.00 $80.00 0.0%