Shared benchmark wins
GPT-5
13 wins13 exact shared benchmarks compared
AI Orbit comparison
o3 vs GPT-5
Compare o3 vs GPT-5 pricing, benchmarks, context and capabilities side by side.
o3
o3 is a model from OpenAI, released on April 16, 2025. Its verified profile includes Text Generation, Reasoning, Image Understanding, Code Generation, Structured Outputs,...
View profileGPT-5
GPT-5 is a model from OpenAI, released on August 7, 2025. Its verified profile includes Text Generation, Reasoning, Image Understanding, Code Generation, Structured Outpu...
View profileComparison evidence snapshot
Factual coverage of this comparison. AI Orbit does not declare a universal winner because the better choice depends on workload and evidence.
Items compared2
Public AI model profiles
Shared benchmarks13
Exact verified benchmark overlap
Pricing coverage2 / 2
Profiles with structured API pricing
Evidence freshnessSep 2026
Latest verified pricing or benchmark evidence
At-a-glance signals
Category-level facts from verified pricing, shared benchmarks and structured product data. These signals are not an overall ranking.
Lower input price
GPT-5
$1.25 / 1MLowest verified input-token price
Lower output price
o3
$8.00 / 1MLowest verified output-token price
Larger context
GPT-5
400,000Largest comparable context window
Newer release
GPT-5
Aug 2025Most recent listed release date
Comparison view
Hide rows where every selected item has the same displayed value.
Side-by-side comparison
Only useful comparison fields are shown. Missing data is never guessed or treated as zero.
| Metric | o3 | GPT-5 |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Context window | 200,000 | 400,000 |
| Input / 1M tokens | $2.00 | $1.25 |
| Output / 1M tokens | $8.00 | $10.00 |
| Status | Active | Active |
| Release date | Apr 2025 | Aug 2025 |
Data coverage: 6 comparison fields shown.
2 fields hidden because none of the selected items currently has reliable data.
If only one side is missing, it is labeled “No verified data yet”.
No differing rows are visible in this section.
API cost calculator
Estimate monthly token cost from the verified per-million prices stored on each model profile.
Estimate excludes discounts, caching, batch pricing, regional pricing and provider-specific fees unless already reflected in the stored rate.
o3—
Pricing verification pending
GPT-5—
Pricing verification pending
Shared benchmark head-to-head
Only exact benchmarks with verified results for at least two selected items count toward win totals.
Software Engineering1 shared benchmark
| Benchmark | o3 | GPT-5 |
|---|---|---|
| SWE-bench Verified Verified Methodology | 69.10% Verified · Aug 2025 Source | 74.90% Lead Verified · Aug 2025 Source |
No differing benchmark rows are visible.
Multimodal3 shared benchmarks
| Benchmark | o3 | GPT-5 |
|---|---|---|
| MMMU Methodology | 82.90% Verified · Aug 2025 Source | 84.20% Lead Verified · Aug 2025 Source |
| ERQA Methodology | 64.00% Verified Source | 65.70% Lead Verified Source |
| MMMU-Pro (Average Standard + Vision) Methodology | 76.40% Verified Source | 78.40% Lead Verified Source |
No differing benchmark rows are visible.
Reasoning2 shared benchmarks
| Benchmark | o3 | GPT-5 |
|---|---|---|
| GPQA Diamond Methodology | 83.30% Verified · Aug 2025 Source | 85.70% Lead Verified · Aug 2025 Source |
| Humanity's Last Exam (No Tools) Methodology | 20.20% Verified Source | 24.80% Lead Verified Source |
No differing benchmark rows are visible.
Coding2 shared benchmarks
| Benchmark | o3 | GPT-5 |
|---|---|---|
| Aider Polyglot (Diff) Methodology | 79.60% Verified Source | 88.00% Lead Verified Source |
| SWE-bench Verified (OpenAI 477 Tasks) Methodology | 69.10% Verified Source | 74.90% Lead Verified Source |
No differing benchmark rows are visible.
Video1 shared benchmark
| Benchmark | o3 | GPT-5 |
|---|---|---|
| VideoMMMU (Max 256 Frames) Methodology | 83.30% Verified Source | 84.60% Lead Verified Source |
No differing benchmark rows are visible.
Vision1 shared benchmark
| Benchmark | o3 | GPT-5 |
|---|---|---|
| CharXiv Reasoning (Python Enabled) Methodology | 78.60% Verified Source | 81.10% Lead Verified Source |
No differing benchmark rows are visible.
Math3 shared benchmarks
| Benchmark | o3 | GPT-5 |
|---|---|---|
| HMMT 2025 Methodology | 81.70% Verified Source | 93.30% Lead Verified Source |
| FrontierMath (Python tool only) Methodology | 15.80% Verified Source | 26.30% Lead Verified Source |
| AIME 2025 Methodology | 88.90% Verified Source | 94.60% Lead Verified Source |
No differing benchmark rows are visible.
Capability differences
Shared capabilities are separated from capabilities currently cataloged on only one selected item.
No unique capability difference verified.
No unique capability difference verified.
Use-case coverage
Structured use-case relationships only. Missing relationships are not interpreted as lack of capability.
O3
Distinct use-case matches
No unique structured use-case match is verified for this comparison yet.
GPT-5
Distinct use-case matches
No unique structured use-case match is verified for this comparison yet.
Evidence & freshness
See how much verified benchmark/pricing evidence supports each profile and when it was last refreshed.
o3Review soon
- Verified benchmark results
- 13
- Benchmark evidence
- Sep 3, 2026
- Pricing evidence
- Not dated
- Profile review
- Not dated
GPT-5Review soon
- Verified benchmark results
- 13
- Benchmark evidence
- Sep 3, 2026
- Pricing evidence
- Not dated
- Profile review
- Not dated
Evidence dates show the latest dated record available to AI Orbit; they do not imply that every field was re-verified on that date.
Comparison FAQ
Quick answers about this comparison.
How do o3 and GPT-5 compare?
Compare the side-by-side pricing, benchmark, capability and product data on this page. The better fit depends on your use case and the verified evidence available for each product.
How is this comparison kept current?
Dynamic benchmark and pricing sections use the latest verified data stored in AI Orbit.
Which is cheaper for API use: o3 or GPT-5?
API cost depends on your input/output token mix. Use the cost calculator on this page to estimate the same workload with both models.
How much shared benchmark evidence is available for o3 vs GPT-5?
AI Orbit currently shows 13 shared verified benchmarks where both products have comparable results. One-sided benchmark evidence is shown separately and is not counted as a head-to-head win.
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