o3 Mini
No content available for this output.
o3 Mini vs GPT-5
Compare o3 Mini and GPT-5, both from OpenAI, context windows of 64K vs 400K, tested across 34 shared challenges. Updated February 2026.
FAQ
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o3 MinivsGPT-5
34 challenges
Why o3 Mini?
2.1x cheaper overall$1.10/M in · $4.40/M out
Why GPT-5?
6.3x more context400K
8 months newerAug 2025
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o3 MiniGPT-5
12 / 34
Estimate Complexityreasoning
Tests an AI's ability to make educated estimates based on technical knowledge
GPT-5
Here’s a back‑of‑the‑envelope estimate using standard LM training-compute heuristics.
- Assumptions
- Model size (N): GPT-3 has about 175 billion parameters (N ≈ 1.75 × 10^11).
- Training tokens (T): GPT-3 was trained on roughly 300 billion tokens (T ≈ 3.0 × 10^11).
- FLOPs per token per parameter: A common rule of thumb for transformer LM training is FLOPs ≈ 6 × N × T The factor ~6 comes from counting forward and backward passes for the parameter-heavy matmuls (roughly 2N for forward + 4N for backward). It ignores small terms from layernorms, softmax, embeddings, and optimizer updates (which we’ll account for with a small overhead factor later).
- Core calculation
- 6 × N × T = 6 × (1.75 × 10^11) × (3.0 × 10^11)
- First multiply N × T: 1.75 × 3.0 = 5.25; powers: 10^11 × 10^11 = 10^22 So N × T = 5.25 × 10^22
- Now multiply by 6: 6 × 5.25 × 10^22 = 31.5 × 10^22 = 3.15 × 10^23 FLOPs
- Overheads and uncertainty
- Non-matmul ops (attention softmax, masking, residuals, layernorms), embeddings, and optimizer update steps add some overhead. A 10–20% uplift is a reasonable allowance.
- Applying +10–20%: 3.15 × 10^23 × (1.1 to 1.2) ≈ (3.5 ± 0.3) × 10^23 FLOPs.
Answer
- Point estimate: ~3.15 × 10^23 FLOPs
- With a modest overhead allowance: roughly (3.3–3.8) × 10^23 FLOPs
This is a coarse estimate; the exact number depends on details like sequence length, activation checkpointing, implementation efficiency, and the precise token count.
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2 / 34
AI Board Game Logicreasoning
Tests an AI's ability to understand game rules and strategy
o3 Mini
No content available for this output.
GPT-5
Vote
3 / 34
Logic Puzzlereasoning
Tests an AI's ability to solve a simple but potentially confusing logic puzzle
o3 Mini
No content available for this output.
GPT-5
1
Reason: If each of the 3 brothers has 2 sisters, there are exactly 2 girls in the family. One is Sally, so she has 1 sister.
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4 / 34
Math Misconception Testreasoning
Tests an AI's understanding of number representation
o3 Mini
No content available for this output.
GPT-5
No content available for this output.
Vote
5 / 34
Stochastic Consistency Testanalysis
Tests an AI's randomness and creativity
o3 Mini
No content available for this output.
GPT-5
No content available for this output.
Vote
6 / 34
SVG Layout Challengeimage generation
Tests an AI's ability to generate vector graphics
o3 Mini
No content available for this output.
GPT-5
No content available for this output.
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7 / 34
Xbox Controller SVG Artimage generation
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
o3 Mini
No content available for this output.
GPT-5
No content available for this output.
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8 / 34
Generate a Stand-Up Routineconversation
Tests an AI's humor and creative writing ability
o3 Mini
No content available for this output.
GPT-5
No content available for this output.
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9 / 34
Realistic AI Interviewconversation
Tests an AI's ability to simulate personalities and predict future trends
o3 Mini
No content available for this output.
GPT-5
No content available for this output.
Vote
10 / 34
Satirical Fake News Headlineconversation
Tests an AI's humor and understanding of current events
o3 Mini
No content available for this output.
GPT-5
No content available for this output.
Vote
11 / 34
Character Voice Testconversation
Tests an AI's ability to write in distinct character voices
o3 Mini
No content available for this output.
GPT-5
No content available for this output.
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Sponsored
12 / 34
Minimalist Landing Pageweb design
Tests an AI's ability to generate a complete, working landing page
o3 Mini
GPT-5
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12 of 34