Data points: 122
The readout for GPT-5 and O3 Mini, before the detailed comparison sheet.
Decision read
GPT-5
GPT-5 currently has the stronger profile, with verified wins split 6 to 0.
Evidence depth
122 data points
Includes 28 benchmark rows, 0 audit samples, and 9 provider examples.
Selection signal
Start with GPT-5
The charts below split 37 high-signal samples across speed, scores, and audit health.
Switch either side of this report to compare another model with the same LMSpeed data pipeline.
Select a different model to open a new comparison URL.
Model compare GPT-5 vs O3 Minigpt-5-vs-o3-mini | Model A GPT-5 | Model B O3 Mini |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 6 wins | 0 wins |
| Where it leads | Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
Avg. score
GPT-5
61.4
Avg. score
O3 Mini
59.2
Selected category
Agents
GPT-5 leads by 41.0
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GPT-5
winner75.0
Rank #19/82 · confidence 1 · eval date 2025-08-07
O3 Mini
55.0
Rank #43/82 · confidence 1 · eval date 2025-01-31
GPT-5
68.1 tok/s
Rank #46/78 · confidence 4
O3 Mini
winner224.5 tok/s
Rank #4/78 · confidence 4
GPT-5
winner1.03 s
Rank #21/78 · confidence 4
O3 Mini
15.30 s
Rank #48/78 · confidence 4
GPT-5
winner1.03 s
Rank #31/78 · confidence 4
O3 Mini
15.30 s
Rank #65/78 · confidence 4
GPT-5
$10.00/M
Rank #67/95 · confidence 4
O3 Mini
winner$4.40/M
Rank #56/95 · confidence 4
GPT-5
$3.44/M
Rank #65/95 · confidence 4
O3 Mini
winner$1.93/M
Rank #57/95 · confidence 4
GPT-5
$1.25/M
Rank #61/95 · confidence 4
O3 Mini
winner$1.10/M
Rank #58/95 · confidence 4
GPT-5
winner76.3
Rank #14/57 · confidence 1 · eval date 2025-08-07
O3 Mini
68.0
Rank #19/57 · confidence 1 · eval date 2025-01-31
GPT-5
winner80.6%
Rank #39/74 · confidence 4
O3 Mini
80.2%
Rank #42/74 · confidence 4
GPT-5
5.4%
Rank #72/103 · confidence 4
O3 Mini
winner12.3%
Rank #52/103 · confidence 4
GPT-5
67.3%
Rank #72/103 · confidence 4
O3 Mini
winner77.3%
Rank #54/103 · confidence 4
GPT-5
55.8%
Rank #37/70 · confidence 4
O3 Mini
winner73.4%
Rank #23/70 · confidence 4
GPT-5
winner42.9
Rank #27/63 · confidence 1 · eval date 2025-08-07
O3 Mini
39.9
Rank #39/63 · confidence 1 · eval date 2025-01-31
GPT-5
winner32.6
Rank #32/59 · confidence 1 · eval date 2025-08-07
O3 Mini
6.8
Rank #54/59 · confidence 1 · eval date 2025-01-31
GPT-5
winner68.9
Rank #33/69 · confidence 1 · eval date 2025-08-07
O3 Mini
48.5
Rank #45/69 · confidence 1 · eval date 2025-01-31
GPT-5
winner36.0
Rank #34/61 · confidence 1 · eval date 2025-08-07
O3 Mini
17.9
Rank #54/61 · confidence 1 · eval date 2025-01-31
GPT-5
38.8%
Rank #52/101 · confidence 4
O3 Mini
winner39.8%
Rank #49/101 · confidence 4
GPT-5
86.1%
Rank #27/38 · confidence 4
O3 Mini
winner98.5%
Rank #3/38 · confidence 4
GPT-5
36.7%
Rank #20/37 · confidence 4
O3 Mini
winner86.0%
Rank #6/37 · confidence 4
GPT-5
winner79.2
Rank #18/67 · confidence 1 · eval date 2025-08-07
O3 Mini
60.7
Rank #36/67 · confidence 1 · eval date 2025-01-31
GPT-5
winner26.5
Rank #20/63 · confidence 1 · eval date 2025-08-07
O3 Mini
8.7
Rank #42/63 · confidence 1 · eval date 2025-01-31
GPT-5
winner85.4
Rank #25/63 · confidence 1 · eval date 2025-08-07
O3 Mini
74.8
Rank #44/63 · confidence 1 · eval date 2025-01-31
GPT-5
winner36.1
Rank #25/66 · confidence 1 · eval date 2025-08-07
O3 Mini
19.0
Rank #51/66 · confidence 1 · eval date 2025-01-31
GPT-5
winner79.2
Rank #13/50 · confidence 1 · eval date 2025-08-07
O3 Mini
44.8
Rank #35/50 · confidence 1 · eval date 2025-01-31
GPT-5
winner93.3
Rank #5/60 · confidence 1 · eval date 2025-08-07
O3 Mini
65.6
Rank #26/60 · confidence 1 · eval date 2025-01-31
GPT-5
80.7
Rank #21/56 · confidence 1 · eval date 2025-08-07
O3 Mini
winner85.3
Rank #13/56 · confidence 1 · eval date 2025-01-31
GPT-5
winner74.6
Rank #14/69 · confidence 1 · eval date 2025-08-07
O3 Mini
60.6
Rank #24/69 · confidence 1 · eval date 2025-01-31
GPT-5
winner84.8
Rank #22/58 · confidence 1 · eval date 2025-08-07
O3 Mini
28.7
Rank #51/58 · confidence 1 · eval date 2025-01-31
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5 | O3 Mini |
|---|---|---|
| No completed audits are available from shared providers yet. | ||
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | GPT-5 | O3 Mini |
|---|---|---|
20 tests | GPT-5 speed / latency 95 tok/s / 1234ms input / output No data | O3 Mini |
This report only uses LMSpeed data for GPT-5 and O3 Mini: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-5 | O3 Mini |
|---|---|---|
| When to choose each model | GPT-5 GPT-5 is stronger when you prioritize Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage, Recent tests. | O3 Mini O3 Mini does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: GPT-5 leads across 122 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-5 vs O3 Mini into nearby model comparisons with enough verified LMSpeed data.
| No data |
| Model metadata | GPT-5 exposes 128K tokens; notable signals: Text input, Image input, File input, Text output. | O3 Mini exposes 200K tokens; notable signals: Text input, File input, Text output, Tool calling. |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Context window | 128K tokens | 200K tokens |
| Max output | 16.4K tokens | 100K tokens |
| Released | Aug 2025 | Feb 2025 |
| Modalities | Input FileImageText Output Text | Input TextFile Output Text |
| Features | Text inputImage inputFile inputText outputStructured outputsJSON mode | Text inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
| Parameters | No data | No data |
| Tokenizer | GPT | GPT |
| Knowledge cutoff | 2024-09-30 | 2023-10-31 |
| OpenRouter ID | openai/gpt-5-chat | openai/o3-mini-high |
| References | No data | No data |
speed / latency
N/A / N/A
input / output
No data
N1N10 tests | GPT-5 speed / latency 102 tok/s / 948ms input / output No data | O3 Mini speed / latency 117 tok/s / 4809ms input / output No data |
|---|
ZetaTechs API6 tests | GPT-5 speed / latency N/A / N/A input / output No data | O3 Mini speed / latency 44 tok/s / 17418ms input / output No data |
|---|
EasyMore5 tests | GPT-5 speed / latency 46 tok/s / 6577ms input / output No data | O3 Mini speed / latency N/A / N/A input / output No data |
|---|
Undy API5 tests | GPT-5 speed / latency 131 tok/s / 743ms input / output No data | O3 Mini speed / latency N/A / N/A input / output No data |
|---|
GPT-5 gpt-5-high speed / latency No data input / output $0.0068/M / $0.0068/M | O3 Mini o3-mini-2025-01-31 speed / latency No data input / output $0.151/M / $0.603/M |
GPT-5 gpt-5-all speed / latency No data input / output $0.0068/M / $0.0068/M | O3 Mini o3-mini-medium speed / latency No data input / output $0.151/M / $0.603/M |
GPT-5 gpt-5-all speed / latency No data input / output $0.0068/M / $0.0068/M | O3 Mini o3-mini-medium speed / latency No data input / output $0.151/M / $0.603/M |
GPT-5 gpt-5-all-c speed / latency No data input / output $0.0082/M / $0.0082/M | O3 Mini o3-mini-2025-01-31 speed / latency No data input / output $0.136/M / $0.542/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
