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OpenAI o3 Llama 3.1 405B

OP
ACorner A
OpenAI o3
OpenAI · o-series
Swap
VS
ME
BCorner B
Llama 3.1 405B
Meta · Llama
Swap
Wins by spec 3 A rows 2 B rows 4 ties

Key differences

At a glance
AOpenAI o3 Released: Jan 2025 vs Jul 2024
AOpenAI o3 Context Window: 200000 vs 128000
AOpenAI o3 MMLU Score: 91.6 vs 88.6
BLlama 3.1 405B Input Price: 2.70 vs 10.00
BLlama 3.1 405B Output Price: 2.70 vs 40.00
=Even on: Vision — Yes vs No

01Capabilities

4 rows
Released
WIN Jan 2025
Jul 2024
Context Window tokens
WIN 200000
128000
Vision
Yes
No
Tool Use
Yes
Yes
Released
A WIN Jan 2025
B Jul 2024
Context Windowtokens
A WIN 200000
B 128000
Vision
A Yes
B No
Tool Use
A Yes
B Yes

02Pricing

2 rows
Input Price USD/MTok
10.00
WIN 2.70
Output Price USD/MTok
40.00
WIN 2.70
Input PriceUSD/MTok
A 10.00
B WIN 2.70
Output PriceUSD/MTok
A 40.00
B WIN 2.70

03Performance

1 rows
MMLU Score %
WIN 91.6
88.6
MMLU Score%
A WIN 91.6
B 88.6

04Info

2 rows
Released
2025
2024
Provider
OpenAI
Meta
Released
A 2025
B 2024
Provider
A OpenAI
B Meta

OpenAI o3 leads on more specs. Check the full table to decide based on what matters most to you.

OpenAI o3 vs Llama 3.1 405B — 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.