Model Comparison
EXAONE 4.5 33B
vs. o3
Comparing 2 AI models · 12 benchmarks · LG AI Research, OpenAI
Recommended Pick
Op o3 11 metric wins Strongest on: Throughput, Reasoning, Intelligence
Lowest Price
EXAONE 4.5 33B
$0.00/1M input price
Best Reasoning
o3
72.5 reasoning score
Blends available reasoning benchmarks
Best for Coding
o3
38.4 coding index
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Price gap
EXAONE 4.5 33B is ∞x cheaper on input tokens than o3.
Reasoning gap
o3 leads EXAONE 4.5 33B by 32.1 points on reasoning.
Coding gap
o3 leads EXAONE 4.5 33B by 15.4 points on coding.
Top-pick rationale
o3 wins 11 measurable categories, including Throughput, Reasoning, Intelligence, Coding.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
EXAONE 4.5 33B
LG AI Research
TTFT
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Time
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tok/s
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Tokens
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Cost
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o3
OpenAI
TTFT
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Time
—
tok/s
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Tokens
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Cost
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Which answer was more useful?
Full Comparison
| Metric | LG EXAONE 4.5 33B | Top Pick Op o3 |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.00/1M | $2.00/1M |
| Output Cost | $0.00/1M | $8.00/1M |
| Blended (3:1) | — | $3.50/1M |
| Specifications | ||
| Organization | LG AI Research | OpenAI |
| Release Date | Apr 9, 2026 | Apr 16, 2025 |
| Performance & Speed | ||
| Throughput | — | 161.5 tok/s |
| TTFT | — | 6178ms |
| Latency | — | 6178ms |
| Composite Indices | ||
| Value Score | — | 100.0 |
| Reasoning Score | 40.4 | 72.5 |
| Intelligence | 30.2 | 38.4 |
| Coding | 23.0 | 38.4 |
| Math | — | 88.3 |
| Standard Benchmarks | ||
| GPQA | 79.4% | 82.7% |
| MMLU Pro | — | 85.3% |
| HLE | 11.6% | 20.0% |
| LiveCodeBench | — | 80.8% |
| MATH 500 | — | 99.2% |
| AIME 2025 | — | 88.3% |
| AIME (Original) | — | 90.3% |
| SciCode | 28.0% | 41.0% |
| LCR | 49.3% | 69.3% |
| IFBench | 58.0% | 71.4% |
| TAU-bench v2 | 78.1% | 80.7% |
| TerminalBench Hard | 20.5% | 37.1% |
Key Takeaways
EXAONE 4.5 33B offers the best value at $0.00/1M, making it ideal for high-volume applications and cost-conscious projects.
o3 has the strongest reasoning profile with a 72.5 reasoning score, combining the available reasoning-heavy benchmarks.
o3 reaches a 38.4 coding index, making it the top choice for software development and code generation tasks.
All models support context windows of ∞+ tokens, suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
EXAONE 4.5 33B
- Cost-sensitive applications
- High-volume processing
o3
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
