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OpenAI o3 Claude Sonnet 4.5

OP
ACorner A
OpenAI o3
OpenAI · o-series
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VS
AN
BCorner B
Claude Sonnet 4.5
Anthropic · Claude
Swap
Wins by spec 1 A rows 3 B rows 5 ties

Key differences

At a glance
AOpenAI o3 MMLU Score: 91.6 vs 88.7
BClaude Sonnet 4.5 Released: Jun 2025 vs Jan 2025
BClaude Sonnet 4.5 Input Price: 3.00 vs 10.00
=Even on: Context Window — 200000 vs 200000

01Capabilities

4 rows
Released
Jan 2025
WIN Jun 2025
Context Window tokens
200000
200000
Vision
Yes
Yes
Tool Use
Yes
Yes
Released
A Jan 2025
B WIN Jun 2025
Context Windowtokens
A 200000
B 200000
Vision
A Yes
B Yes
Tool Use
A Yes
B Yes

02Pricing

2 rows
Input Price USD/MTok
10.00
WIN 3.00
Output Price USD/MTok
40.00
WIN 15.00
Input PriceUSD/MTok
A 10.00
B WIN 3.00
Output PriceUSD/MTok
A 40.00
B WIN 15.00

03Performance

1 rows
MMLU Score %
WIN 91.6
88.7
MMLU Score%
A WIN 91.6
B 88.7

04Info

2 rows
Released
2025
2025
Provider
OpenAI
Anthropic
Released
A 2025
B 2025
Provider
A OpenAI
B Anthropic

Claude Sonnet 4.5 leads on more specs. Check the full table to decide based on what matters most to you.

OpenAI o3 vs Claude Sonnet 4.5 — display, performance, cameras, battery, price, and key differences. Side by side.

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📋 AI Models Buying Guide
Prices are estimated average Saudi market prices, reviewed June 2026. Actual prices vary by retailer, storage configuration, warranty, and promotions. Prices shown in Saudi Riyal.