vs
0:4
overall capability wins (0 ties across 4 scored). o3-pro leads overall.
- Reasoning0:1
- Coding0:1
- Pricing3:0
- Speed2:0
- Specs0:2
Verdict
o3-pro leads coding (widest gap: +81.3 on Aider); o3-pro offers ~1.6x larger context (200K vs 128K); o3-pro allows ~6.1x more max output (100K vs 16K).
- o3-pro leads coding (widest gap: +81.3 on Aider)
- o3-pro offers ~1.6x larger context (200K vs 128K)
- o3-pro allows ~6.1x more max output (100K vs 16K)
- GPT-4o Mini is ~133.3x cheaper on a blended token basis than o3-pro
Cost for 1M in + 250K out
Illustrative chat workload at primary-provider list prices.
- GPT-4o Mini
- $0.30
- o3-pro
- $40
GPT-4o Mini is about 133.3x cheaper on this workload.
Price per 1M tokens
Full comparison
Organization
OpenAI
OpenAI
Family
GPT-4 / o-series
GPT-4 / o-series
License
Proprietary
Proprietary
Open weights
No
No
Release
Jul 18, 2024
Jun 10, 2025
Knowledge cutoff
2023-10
-
API / provider
OpenAI
OpenAI
Modalities
text, image → text
text, image → text
Specs
Context window
128K
200K
Max output
16K
100K
Parameters
—
—
Pricing
Input $/1M
$0.15
$20
Output $/1M
$0.60
$80
Blended $/1M (3∶1)
$0.26
$35
Speed
tok/s
150
40
TTFT (s)
0.2
2.5
Reasoning
MMLU-Pro
64.8
—
GPQA Diamond
42.6
84.5
Humanity's Last Exam
4.2
—
AIME 2025
14.7
—
MATH-500
78.9
—
Humanity's Last Exam (with tools)
—
—
AA-Omniscience Accuracy
—
—
AA-LCR v1.1
—
—
CritPt
—
—
MMMU-Pro
41.5
—
IFBench
31.0
—
Chartography
—
—
Chartography (With Tools)
—
—
Coding
SWE-bench Verified
—
—
SWE-bench Pro
—
—
SWE-bench Multilingual
—
—
LiveCodeBench
35.5
—
Terminal-Bench 2.1
5.6
—
Aider Polyglot
3.6
84.9
Terminal-Bench 3
—
—
BigCodeBench
46.1
—
SciCode
22.9
—
CursorBench
—
—
SWE-Rebench
—
—
NL2Repo-Bench
—
—
DeepSWE
—
—
WebDev Arena
—
—
Terminal-Bench 4.0
—
—
CursorBench 4.0
—
—
FrontierCode v1.1 (Main)
—
—
Arena
LMArena Elo
1,318
—
| Metric | GPT-4o Mini | o3-pro | Delta |
|---|---|---|---|
| Identity | |||
| Organization | OpenAI | OpenAI | — |
| Family | GPT-4 / o-series | GPT-4 / o-series | — |
| License | Proprietary | Proprietary | — |
| Open weights | No | No | — |
| Release | Jul 18, 2024 | Jun 10, 2025 | — |
| Knowledge cutoff | 2023-10 | - | — |
| API / provider | OpenAI | OpenAI | — |
| Modalities | text, image → text | text, image → text | — |
| Specs | |||
| Context window | 128K | 200K | B +72K |
| Max output | 16K | 100K | B +84K |
| Parameters | — | — | — |
| Pricing | |||
| Input $/1M | $0.15 | $20 | A +$19.85 |
| Output $/1M | $0.60 | $80 | A +$79.40 |
| Blended $/1M (3∶1) | $0.26 | $35 | A +$34.74 |
| Speed | |||
| tok/s | 150 | 40 | A +110 |
| TTFT (s) | 0.2 | 2.5 | A +2.30 |
| Reasoning | |||
| MMLU-Pro | 64.8 | — | — |
| GPQA Diamond | 42.6 | 84.5 | B +41.9 pts |
| Humanity's Last Exam | 4.2 | — | — |
| AIME 2025 | 14.7 | — | — |
| MATH-500 | 78.9 | — | — |
| Humanity's Last Exam (with tools) | — | — | — |
| AA-Omniscience Accuracy | — | — | — |
| AA-LCR v1.1 | — | — | — |
| CritPt | — | — | — |
| MMMU-Pro | 41.5 | — | — |
| IFBench | 31.0 | — | — |
| Chartography | — | — | — |
| Chartography (With Tools) | — | — | — |
| Coding | |||
| SWE-bench Verified | — | — | — |
| SWE-bench Pro | — | — | — |
| SWE-bench Multilingual | — | — | — |
| LiveCodeBench | 35.5 | — | — |
| Terminal-Bench 2.1 | 5.6 | — | — |
| Aider Polyglot | 3.6 | 84.9 | B +81.3 pts |
| Terminal-Bench 3 | — | — | — |
| BigCodeBench | 46.1 | — | — |
| SciCode | 22.9 | — | — |
| CursorBench | — | — | — |
| SWE-Rebench | — | — | — |
| NL2Repo-Bench | — | — | — |
| DeepSWE | — | — | — |
| WebDev Arena | — | — | — |
| Terminal-Bench 4.0 | — | — | — |
| CursorBench 4.0 | — | — | — |
| FrontierCode v1.1 (Main) | — | — | — |
| Arena | |||
| LMArena Elo | 1,318 | — | — |
GPT-4o Mini
- Context
- 128K / 16K out
- Parameters
- —
- Price
- $0.15 / $0.60
- Speed
- 150 tok/s · 0.2s TTFT
- Modalities
- text, image → text
- License
- Proprietary
Legacy budget multimodal GPT-4o SKU - still widely embedded in apps that have not migrated to GPT-4.1 Nano / Mini.
o3-pro
- Context
- 200K / 100K out
- Parameters
- —
- Price
- $20 / $80
- Speed
- 40 tok/s · 2.5s TTFT
- Modalities
- text, image → text
- License
- Proprietary
Maximum o3 reasoning tier for hardest STEM and multi-step problems at premium $20/$80 rates.
Benchmark charts
Winner bars are emphasized. Per-benchmark deltas sit above each chart.