OP

O3

by OpenAI

text vision API Available

Input Price

$2.00

per 1M tokens

Output Price

$8.00

per 1M tokens

Context Window

200K

tokens

Max Output

100K

tokens

Quality Score

88

out of 100

Value Score

135

quality per $

Details

Provider
OpenAI
Released
16 Apr 2025
Speed
15 tok/s
Time to First Token
1200ms
Open Source
No
API Available
Yes
Pricing Source
openrouter.ai/api/v1/models
Price Updated
14 Apr 2026

Notes

Reasoning model; 80% price cut from launch

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

Chatbot Arena ELO

1337

Source: LMSYS (validated)

HumanEval

97

Source: OpenAI

MATH-500

96.7

Source: OpenAI

MMLU

92

Source: OpenAI

AIME 2025

91.6

Source: OpenAI

Arena-Hard

88.5

Source: OpenAI

LiveBench

85

Source: OpenAI

GPQA Diamond

83.3

Source: OpenAI

BigCodeBench

74

Source: OpenAI

SWE-bench Verified

69.1

Source: OpenAI

MT-Bench

9.1

Source: OpenAI

Price History

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

$6.50 → $6.50
↑ 0%
Date Input $/1M Output $/1M Change
22 Feb 2026 $2.00 $8.00 —
23 Feb 2026 $2.00 $8.00 0.0%
23 Feb 2026 $10.00 $40.00 +400.0%
24 Feb 2026 $2.00 $8.00 -80.0%
24 Feb 2026 $10.00 $40.00 +400.0%
25 Feb 2026 $2.00 $8.00 -80.0%
25 Feb 2026 $10.00 $40.00 +400.0%
26 Feb 2026 $2.00 $8.00 -80.0%
26 Feb 2026 $10.00 $40.00 +400.0%
27 Feb 2026 $2.00 $8.00 -80.0%
27 Feb 2026 $10.00 $40.00 +400.0%
28 Feb 2026 $2.00 $8.00 -80.0%
28 Feb 2026 $10.00 $40.00 +400.0%
1 Mar 2026 $2.00 $8.00 -80.0%
1 Mar 2026 $10.00 $40.00 +400.0%
2 Mar 2026 $2.00 $8.00 -80.0%
2 Mar 2026 $10.00 $40.00 +400.0%
3 Mar 2026 $2.00 $8.00 -80.0%
3 Mar 2026 $10.00 $40.00 +400.0%
4 Mar 2026 $2.00 $8.00 -80.0%
4 Mar 2026 $10.00 $40.00 +400.0%
5 Mar 2026 $2.00 $8.00 -80.0%
5 Mar 2026 $10.00 $40.00 +400.0%
6 Mar 2026 $2.00 $8.00 -80.0%
6 Mar 2026 $10.00 $40.00 +400.0%
7 Mar 2026 $2.00 $8.00 -80.0%
7 Mar 2026 $10.00 $40.00 +400.0%
8 Mar 2026 $2.00 $8.00 -80.0%
8 Mar 2026 $10.00 $40.00 +400.0%
9 Mar 2026 $2.00 $8.00 -80.0%
9 Mar 2026 $10.00 $40.00 +400.0%
10 Mar 2026 $2.00 $8.00 -80.0%
10 Mar 2026 $10.00 $40.00 +400.0%
11 Mar 2026 $2.00 $8.00 -80.0%
11 Mar 2026 $10.00 $40.00 +400.0%
12 Mar 2026 $2.00 $8.00 -80.0%
12 Mar 2026 $10.00 $40.00 +400.0%
13 Mar 2026 $2.00 $8.00 -80.0%
13 Mar 2026 $10.00 $40.00 +400.0%
14 Mar 2026 $2.00 $8.00 -80.0%
14 Mar 2026 $10.00 $40.00 +400.0%
15 Mar 2026 $2.00 $8.00 -80.0%
15 Mar 2026 $10.00 $40.00 +400.0%
15 Mar 2026 $2.00 $8.00 -80.0%
18 Mar 2026 $2.00 $8.00 0.0%
19 Mar 2026 $2.00 $8.00 0.0%
20 Mar 2026 $2.00 $8.00 0.0%
21 Mar 2026 $2.00 $8.00 0.0%
22 Mar 2026 $2.00 $8.00 0.0%
23 Mar 2026 $2.00 $8.00 0.0%
27 Mar 2026 $2.00 $8.00 0.0%
27 Mar 2026 $2.00 $8.00 0.0%
27 Mar 2026 $2.00 $8.00 0.0%
27 Mar 2026 $2.00 $8.00 0.0%
28 Mar 2026 $2.00 $8.00 0.0%
28 Mar 2026 $2.00 $8.00 0.0%
29 Mar 2026 $2.00 $8.00 0.0%
29 Mar 2026 $2.00 $8.00 0.0%
30 Mar 2026 $2.00 $8.00 0.0%
30 Mar 2026 $2.00 $8.00 0.0%
31 Mar 2026 $2.00 $8.00 0.0%
31 Mar 2026 $2.00 $8.00 0.0%
31 Mar 2026 $2.00 $8.00 0.0%
31 Mar 2026 $2.00 $8.00 0.0%
8 Apr 2026 $2.00 $8.00 0.0%
8 Apr 2026 $2.00 $8.00 0.0%
8 Apr 2026 $2.00 $8.00 0.0%
8 Apr 2026 $2.00 $8.00 0.0%
8 Apr 2026 $2.00 $8.00 0.0%
8 Apr 2026 $2.00 $8.00 0.0%
8 Apr 2026 $2.00 $8.00 0.0%
9 Apr 2026 $2.00 $8.00 0.0%
9 Apr 2026 $2.00 $8.00 0.0%
9 Apr 2026 $2.00 $8.00 0.0%
9 Apr 2026 $2.00 $8.00 0.0%
9 Apr 2026 $2.00 $8.00 0.0%
9 Apr 2026 $2.00 $8.00 0.0%
9 Apr 2026 $2.00 $8.00 0.0%
9 Apr 2026 $2.00 $8.00 0.0%
9 Apr 2026 $2.00 $8.00 0.0%
10 Apr 2026 $2.00 $8.00 0.0%
10 Apr 2026 $2.00 $8.00 0.0%
10 Apr 2026 $2.00 $8.00 0.0%
10 Apr 2026 $2.00 $8.00 0.0%
10 Apr 2026 $2.00 $8.00 0.0%
10 Apr 2026 $2.00 $8.00 0.0%
10 Apr 2026 $2.00 $8.00 0.0%
10 Apr 2026 $2.00 $8.00 0.0%
10 Apr 2026 $2.00 $8.00 0.0%
10 Apr 2026 $2.00 $8.00 0.0%
10 Apr 2026 $2.00 $8.00 0.0%
10 Apr 2026 $2.00 $8.00 0.0%
10 Apr 2026 $2.00 $8.00 0.0%
10 Apr 2026 $2.00 $8.00 0.0%
10 Apr 2026 $2.00 $8.00 0.0%
10 Apr 2026 $2.00 $8.00 0.0%
10 Apr 2026 $2.00 $8.00 0.0%
10 Apr 2026 $2.00 $8.00 0.0%
11 Apr 2026 $2.00 $8.00 0.0%
11 Apr 2026 $2.00 $8.00 0.0%
11 Apr 2026 $2.00 $8.00 0.0%
11 Apr 2026 $2.00 $8.00 0.0%
11 Apr 2026 $2.00 $8.00 0.0%
11 Apr 2026 $2.00 $8.00 0.0%
11 Apr 2026 $2.00 $8.00 0.0%
11 Apr 2026 $2.00 $8.00 0.0%
11 Apr 2026 $2.00 $8.00 0.0%
11 Apr 2026 $2.00 $8.00 0.0%
11 Apr 2026 $2.00 $8.00 0.0%
11 Apr 2026 $2.00 $8.00 0.0%
11 Apr 2026 $2.00 $8.00 0.0%
11 Apr 2026 $2.00 $8.00 0.0%
11 Apr 2026 $2.00 $8.00 0.0%
11 Apr 2026 $2.00 $8.00 0.0%
11 Apr 2026 $2.00 $8.00 0.0%
11 Apr 2026 $2.00 $8.00 0.0%
11 Apr 2026 $2.00 $8.00 0.0%
12 Apr 2026 $2.00 $8.00 0.0%
12 Apr 2026 $2.00 $8.00 0.0%
12 Apr 2026 $2.00 $8.00 0.0%
12 Apr 2026 $2.00 $8.00 0.0%
12 Apr 2026 $2.00 $8.00 0.0%
12 Apr 2026 $2.00 $8.00 0.0%
12 Apr 2026 $2.00 $8.00 0.0%
12 Apr 2026 $2.00 $8.00 0.0%
12 Apr 2026 $2.00 $8.00 0.0%
12 Apr 2026 $2.00 $8.00 0.0%
12 Apr 2026 $2.00 $8.00 0.0%
12 Apr 2026 $2.00 $8.00 0.0%
12 Apr 2026 $2.00 $8.00 0.0%
12 Apr 2026 $2.00 $8.00 0.0%
12 Apr 2026 $2.00 $8.00 0.0%
12 Apr 2026 $2.00 $8.00 0.0%
12 Apr 2026 $2.00 $8.00 0.0%
12 Apr 2026 $2.00 $8.00 0.0%
13 Apr 2026 $2.00 $8.00 0.0%
13 Apr 2026 $2.00 $8.00 0.0%
13 Apr 2026 $2.00 $8.00 0.0%
13 Apr 2026 $2.00 $8.00 0.0%
13 Apr 2026 $2.00 $8.00 0.0%
13 Apr 2026 $2.00 $8.00 0.0%
13 Apr 2026 $2.00 $8.00 0.0%
13 Apr 2026 $2.00 $8.00 0.0%
13 Apr 2026 $2.00 $8.00 0.0%
13 Apr 2026 $2.00 $8.00 0.0%
13 Apr 2026 $2.00 $8.00 0.0%
13 Apr 2026 $2.00 $8.00 0.0%
13 Apr 2026 $2.00 $8.00 0.0%
14 Apr 2026 $2.00 $8.00 0.0%
14 Apr 2026 $2.00 $8.00 0.0%
14 Apr 2026 $2.00 $8.00 0.0%
14 Apr 2026 $2.00 $8.00 0.0%
14 Apr 2026 $2.00 $8.00 0.0%
14 Apr 2026 $2.00 $8.00 0.0%
14 Apr 2026 $2.00 $8.00 0.0%
14 Apr 2026 $2.00 $8.00 0.0%
14 Apr 2026 $2.00 $8.00 0.0%
14 Apr 2026 $2.00 $8.00 0.0%