Data points: 124
The readout for Gemini 2.5 Pro and O3 Mini, before the detailed comparison sheet.
Decision read
Gemini 2.5 Pro
Gemini 2.5 Pro currently has the stronger profile, with verified wins split 4 to 1.
Evidence depth
124 data points
Includes 29 benchmark rows, 0 audit samples, and 10 provider examples.
Selection signal
Start with Gemini 2.5 Pro
The charts below split 39 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 Gemini 2.5 Pro vs O3 Minigemini-2-5-pro-vs-o3-mini | Model A Gemini 2.5 Pro | Model B O3 Mini |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 1 wins |
| Where it leads | Cheapest input price, Average speed, 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
Gemini 2.5 Pro
59.6
Avg. score
O3 Mini
59.2
Selected category
Instruction following
O3 Mini leads by 45.2
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Gemini 2.5 Pro
winner63.0
Rank #31/82 · confidence 1 · eval date 2025-03-01
O3 Mini
55.0
Rank #43/82 · confidence 1 · eval date 2025-01-31
Gemini 2.5 Pro
137.4 tok/s
Rank #21/78 · confidence 4
O3 Mini
winner224.5 tok/s
Rank #4/78 · confidence 4
Gemini 2.5 Pro
18.81 s
Rank #52/78 · confidence 4
O3 Mini
winner15.30 s
Rank #48/78 · confidence 4
Gemini 2.5 Pro
18.81 s
Rank #68/78 · confidence 4
O3 Mini
winner15.30 s
Rank #65/78 · confidence 4
Gemini 2.5 Pro
$10.00/M
Rank #67/95 · confidence 4
O3 Mini
winner$4.40/M
Rank #56/95 · confidence 4
Gemini 2.5 Pro
$3.44/M
Rank #65/95 · confidence 4
O3 Mini
winner$1.93/M
Rank #57/95 · confidence 4
Gemini 2.5 Pro
$1.25/M
Rank #61/95 · confidence 4
O3 Mini
winner$1.10/M
Rank #58/95 · confidence 4
Gemini 2.5 Pro
winner86.2%
Rank #13/74 · confidence 4
O3 Mini
80.2%
Rank #42/74 · confidence 4
Gemini 2.5 Pro
58.7
Rank #28/57 · confidence 1 · eval date 2025-03-01
O3 Mini
winner68.0
Rank #19/57 · confidence 1 · eval date 2025-01-31
Gemini 2.5 Pro
winner84.4%
Rank #31/103 · confidence 4
O3 Mini
77.3%
Rank #54/103 · confidence 4
Gemini 2.5 Pro
winner21.1%
Rank #35/103 · confidence 4
O3 Mini
12.3%
Rank #52/103 · confidence 4
Gemini 2.5 Pro
winner80.1%
Rank #17/70 · confidence 4
O3 Mini
73.4%
Rank #23/70 · confidence 4
Gemini 2.5 Pro
winner63.8
Rank #24/28 · confidence 1 · eval date 2025-03-01
O3 Mini
49.3
Rank #26/28 · confidence 1 · eval date 2025-01-31
Gemini 2.5 Pro
winner42.8
Rank #28/63 · confidence 1 · eval date 2025-03-01
O3 Mini
39.9
Rank #39/63 · confidence 1 · eval date 2025-01-31
Gemini 2.5 Pro
winner42.8%
Rank #31/101 · confidence 4
O3 Mini
39.8%
Rank #49/101 · confidence 4
Gemini 2.5 Pro
winner31.9
Rank #37/61 · confidence 1 · eval date 2025-03-01
O3 Mini
17.9
Rank #54/61 · confidence 1 · eval date 2025-01-31
Gemini 2.5 Pro
winner26.5
Rank #39/59 · confidence 1 · eval date 2025-03-01
O3 Mini
6.8
Rank #54/59 · confidence 1 · eval date 2025-01-31
Gemini 2.5 Pro
47.9
Rank #46/69 · confidence 1 · eval date 2025-03-01
O3 Mini
winner48.5
Rank #45/69 · confidence 1 · eval date 2025-01-31
Gemini 2.5 Pro
96.7%
Rank #10/38 · confidence 4
O3 Mini
winner98.5%
Rank #3/38 · confidence 4
Gemini 2.5 Pro
winner88.7%
Rank #4/37 · confidence 4
O3 Mini
86.0%
Rank #6/37 · confidence 4
Gemini 2.5 Pro
winner84.4
Rank #28/63 · confidence 1 · eval date 2025-03-01
O3 Mini
74.8
Rank #44/63 · confidence 1 · eval date 2025-01-31
Gemini 2.5 Pro
winner21.1
Rank #28/63 · confidence 1 · eval date 2025-03-01
O3 Mini
8.7
Rank #42/63 · confidence 1 · eval date 2025-01-31
Gemini 2.5 Pro
winner66.3
Rank #31/67 · confidence 1 · eval date 2025-03-01
O3 Mini
60.7
Rank #36/67 · confidence 1 · eval date 2025-01-31
Gemini 2.5 Pro
winner27.0
Rank #38/66 · confidence 1 · eval date 2025-03-01
O3 Mini
19.0
Rank #51/66 · confidence 1 · eval date 2025-01-31
Gemini 2.5 Pro
winner68.9
Rank #19/50 · confidence 1 · eval date 2025-03-01
O3 Mini
44.8
Rank #35/50 · confidence 1 · eval date 2025-01-31
Gemini 2.5 Pro
winner85.2
Rank #9/60 · confidence 1 · eval date 2025-03-01
O3 Mini
65.6
Rank #26/60 · confidence 1 · eval date 2025-01-31
Gemini 2.5 Pro
59.0
Rank #40/56 · confidence 1 · eval date 2025-03-01
O3 Mini
winner85.3
Rank #13/56 · confidence 1 · eval date 2025-01-31
Gemini 2.5 Pro
57.1
Rank #28/69 · confidence 1 · eval date 2025-03-01
O3 Mini
winner60.6
Rank #24/69 · confidence 1 · eval date 2025-01-31
Gemini 2.5 Pro
winner54.1
Rank #42/58 · confidence 1 · eval date 2025-03-01
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 | Gemini 2.5 Pro | 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 | Gemini 2.5 Pro | O3 Mini |
|---|---|---|
10 tests | Gemini 2.5 Pro speed / latency 106 tok/s / 16405ms input / output No data |
This report only uses LMSpeed data for Gemini 2.5 Pro and O3 Mini: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Gemini 2.5 Pro | O3 Mini |
|---|---|---|
| When to choose each model | Gemini 2.5 Pro Gemini 2.5 Pro is stronger when you prioritize Cheapest input price, Average speed, Provider coverage, Recent tests. | O3 Mini O3 Mini is stronger when you prioritize First-token latency. |
TL;DR: Gemini 2.5 Pro leads across 124 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Gemini 2.5 Pro vs O3 Mini into nearby model comparisons with enough verified LMSpeed data.
| First-token latency |
| Model metadata | Gemini 2.5 Pro exposes 1.0M tokens; notable signals: Text input, Image input, File input, Audio input. | O3 Mini exposes 200K tokens; notable signals: Text input, File input, Text output, Tool calling. |
|---|---|---|
| Developer | OpenAI | |
| Context window | 1.0M tokens | 200K tokens |
| Max output | 65.5K tokens | 100K tokens |
| Released | Jun 2025 | Feb 2025 |
| Modalities | Input TextImageFileAudiovideo Output Text | Input TextFile Output Text |
| Features | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning | Text inputFile inputText outputTool callingStructured outputsJSON mode |
| Parameters | No data | No data |
| Tokenizer | Gemini | GPT |
| Knowledge cutoff | 2025-01-31 | 2023-10-31 |
| OpenRouter ID | google/gemini-2.5-pro | openai/o3-mini-high |
| References | No data | No data |
O3 Mini
speed / latency
117 tok/s / 4809ms
input / output
No data
ZetaTechs API6 tests | Gemini 2.5 Pro speed / latency N/A / N/A input / output No data | O3 Mini speed / latency 44 tok/s / 17418ms input / output No data |
|---|
DeepRouter5 tests | Gemini 2.5 Pro speed / latency 92 tok/s / 16347ms input / output No data | O3 Mini speed / latency N/A / N/A input / output No data |
|---|
Rnglg2 API5 tests | Gemini 2.5 Pro speed / latency 111 tok/s / 17899ms input / output No data | O3 Mini speed / latency N/A / N/A input / output No data |
|---|
AAAI0 tests | Gemini 2.5 Pro speed / latency N/A / N/A input / output No data | O3 Mini speed / latency N/A / N/A input / output No data |
|---|
Gemini 2.5 Pro gemini-2.5-pro-c speed / latency No data input / output $0.0055/M / $0.0055/M | O3 Mini o3-mini-medium speed / latency No data input / output $0.151/M / $0.603/M |
Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0.014/M / $0.014/M | O3 Mini o3-mini-high-all speed / latency No data input / output $10.27/M / $41.10/M |
Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0.034/M / $0.274/M | O3 Mini o3-mini-high speed / latency No data input / output $0.021/M / $0.082/M |
Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0.051/M / $0.411/M | O3 Mini o3-mini-medium speed / latency No data input / output $0.045/M / $0.181/M |
Gemini 2.5 Pro gemini-2.5-pro-c speed / latency No data input / output $0.100/M / $0.100/M | O3 Mini o3-mini-2025-01-31 speed / latency No data input / output $1.10/M / $4.40/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
