Data points: 141
The readout for Gemini 2.5 Pro and GPT-OSS, before the detailed comparison sheet.
Decision read
GPT-OSS
GPT-OSS currently has the stronger profile, with verified wins split 2 to 4.
Evidence depth
141 data points
Includes 37 benchmark rows, 0 audit samples, and 9 provider examples.
Selection signal
Start with GPT-OSS
The charts below split 46 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 GPT-OSSgemini-2-5-pro-vs-gpt-oss | Model A Gemini 2.5 Pro | Model B GPT-OSS |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 2 wins | 4 wins |
| Where it leads | Cheapest input price, Provider coverage | Average speed, First-token latency, Free providers, 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
60.8
Avg. score
GPT-OSS
57.6
Selected category
Instruction following
GPT-OSS leads by 20.3
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Gemini 2.5 Pro
winner63.0
Rank #30/81 · confidence 1 · eval date 2025-03-01
GPT-OSS
34.0
Rank #58/81 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
132.3 tok/s
Rank #25/83 · confidence 4
GPT-OSS
winner361.8 tok/s
Rank #1/83 · confidence 4
Gemini 2.5 Pro
18.90 s
Rank #69/83 · confidence 4
GPT-OSS
winner0.50 s
Rank #6/83 · confidence 4
Gemini 2.5 Pro
18.90 s
Rank #49/83 · confidence 4
GPT-OSS
winner6.03 s
Rank #40/83 · confidence 4
Gemini 2.5 Pro
$1.25/M
Rank #62/96 · confidence 4
GPT-OSS
winner$0.150/M
Rank #13/96 · confidence 4
Gemini 2.5 Pro
$3.44/M
Rank #66/96 · confidence 4
GPT-OSS
winner$0.262/M
Rank #14/96 · confidence 4
Gemini 2.5 Pro
$10.00/M
Rank #68/96 · confidence 4
GPT-OSS
winner$0.600/M
Rank #15/96 · confidence 4
Gemini 2.5 Pro
winner86.2%
Rank #13/74 · confidence 4
GPT-OSS
77.5%
Rank #53/74 · confidence 4
Gemini 2.5 Pro
winner66.0
Rank #20/56 · confidence 1 · eval date 2025-03-01
GPT-OSS
50.7
Rank #40/56 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
winner2.6
Rank #24/43 · confidence 1 · eval date 2025-03-01
GPT-OSS
1.1
Rank #30/43 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
winner59.0
Rank #27/57 · confidence 1 · eval date 2025-03-01
GPT-OSS
30.2
Rank #47/57 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
winner84.4%
Rank #32/104 · confidence 4
GPT-OSS
67.2%
Rank #74/104 · confidence 4
Gemini 2.5 Pro
winner21.1%
Rank #36/104 · confidence 4
GPT-OSS
5.2%
Rank #74/104 · confidence 4
Gemini 2.5 Pro
winner80.1%
Rank #17/70 · confidence 4
GPT-OSS
70.7%
Rank #25/70 · confidence 4
Gemini 2.5 Pro
winner42.8
Rank #27/62 · confidence 1 · eval date 2025-03-01
GPT-OSS
38.9
Rank #39/62 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
winner42.8%
Rank #32/102 · confidence 4
GPT-OSS
36.0%
Rank #66/102 · confidence 4
Gemini 2.5 Pro
winner31.9
Rank #36/60 · confidence 1 · eval date 2025-03-01
GPT-OSS
28.6
Rank #40/60 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
winner26.5
Rank #38/58 · confidence 1 · eval date 2025-03-01
GPT-OSS
23.5
Rank #42/58 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
winner48.5
Rank #45/68 · confidence 1 · eval date 2025-03-01
GPT-OSS
21.4
Rank #60/68 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
winner73.5
Rank #21/51 · confidence 1 · eval date 2025-03-01
GPT-OSS
26.3
Rank #44/51 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
87.4
Rank #14/57 · confidence 1 · eval date 2025-03-01
GPT-OSS
winner91.2
Rank #4/57 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
winner39.0
Rank #17/57 · confidence 1 · eval date 2025-03-01
GPT-OSS
21.5
Rank #48/57 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
winner84.4
Rank #27/62 · confidence 1 · eval date 2025-03-01
GPT-OSS
78.2
Rank #39/62 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
winner21.1
Rank #27/62 · confidence 1 · eval date 2025-03-01
GPT-OSS
18.5
Rank #32/62 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
winner64.9
Rank #30/66 · confidence 1 · eval date 2025-03-01
GPT-OSS
44.6
Rank #50/66 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
winner34.6
Rank #37/65 · confidence 1 · eval date 2025-03-01
GPT-OSS
33.3
Rank #39/65 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
winner68.9
Rank #19/50 · confidence 1 · eval date 2025-03-01
GPT-OSS
35.3
Rank #39/50 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
winner85.2
Rank #9/60 · confidence 1 · eval date 2025-03-01
GPT-OSS
18.9
Rank #53/60 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
winner1212.0
Rank #28/46 · confidence 1 · eval date 2025-03-01
GPT-OSS
1013.0
Rank #44/46 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
48.7
Rank #35/59 · confidence 1 · eval date 2025-03-01
GPT-OSS
winner69.0
Rank #25/59 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
winner59.0
Rank #40/56 · confidence 1 · eval date 2025-03-01
GPT-OSS
38.5
Rank #52/56 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
winner42.0
Rank #25/36 · confidence 1 · eval date 2025-03-01
GPT-OSS
29.6
Rank #34/36 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
winner57.5
Rank #27/68 · confidence 1 · eval date 2025-03-01
GPT-OSS
34.4
Rank #52/68 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
32.7
Rank #41/56 · confidence 1 · eval date 2025-03-01
GPT-OSS
winner37.9
Rank #38/56 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
54.1
Rank #41/57 · confidence 1 · eval date 2025-03-01
GPT-OSS
winner65.8
Rank #38/57 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
20.9
Rank #41/51 · confidence 1 · eval date 2025-03-01
GPT-OSS
winner22.4
Rank #39/51 · confidence 1 · eval date 2025-08-05
Gemini 2.5 Pro
918.0
Rank #41/56 · confidence 1 · eval date 2025-03-01
GPT-OSS
winner947.0
Rank #39/56 · confidence 1 · eval date 2025-08-05
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Gemini 2.5 Pro | GPT-OSS |
|---|---|---|
| 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 | GPT-OSS |
|---|---|---|
40 tests | Gemini 2.5 Pro speed / latency N/A / N/A input / output No data |
This report only uses LMSpeed data for Gemini 2.5 Pro and GPT-OSS: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Gemini 2.5 Pro | GPT-OSS |
|---|---|---|
| When to choose each model | Gemini 2.5 Pro Gemini 2.5 Pro is stronger when you prioritize Cheapest input price, Provider coverage. | GPT-OSS GPT-OSS is stronger when you prioritize Average speed, First-token latency, Free providers, Recent tests. |
TL;DR: GPT-OSS leads across 141 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Gemini 2.5 Pro vs GPT-OSS into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | Gemini 2.5 Pro exposes 1.0M tokens; notable signals: Text input, Image input, File input, Audio input. | GPT-OSS exposes 131.1K tokens; notable signals: Text input, Text output, Tool calling, Reasoning. |
|---|---|---|
| Developer | No data | |
| Context window | 1.0M tokens | 131.1K tokens |
| Max output | 65.5K tokens | 131.1K tokens |
| Released | Jun 2025 | Aug 2025 |
| Modalities | Input TextImageFileAudiovideo Output Text | Input Text Output Text |
| Features | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning | Text inputText outputTool callingReasoning |
| Parameters | No data | 120B |
| Tokenizer | Gemini | GPT |
| Knowledge cutoff | 2025-01-31 | 2024-06-30 |
| OpenRouter ID | google/gemini-2.5-pro | openai/gpt-oss-120b:free |
| References | No data | No data |
GPT-OSS
speed / latency
41 tok/s / 2851ms
input / output
No data
素墨API40 tests | Gemini 2.5 Pro cli/gemini-2.5-pro speed / latency 82 tok/s / 17042ms input / output $0.100/M / $0.100/M | GPT-OSS openai/gpt-oss-20b:free speed / latency 347 tok/s / 2670ms input / output $0.010/M / $0.010/M |
|---|
CatClaw API35 tests | Gemini 2.5 Pro speed / latency 48 tok/s / 23637ms input / output No data | GPT-OSS speed / latency 182 tok/s / 1180ms input / output No data |
|---|
Rnglg2 API25 tests | Gemini 2.5 Pro speed / latency 111 tok/s / 17899ms input / output No data | GPT-OSS speed / latency 338 tok/s / 2317ms input / output No data |
|---|
AI Tools20 tests | Gemini 2.5 Pro speed / latency N/A / N/A input / output No data | GPT-OSS speed / latency 40 tok/s / 2800ms input / output No data |
|---|
Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0/M / $0/M | GPT-OSS gpt-oss-20b speed / latency No data input / output $0/M / $0/M |
Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0.0006/M / $0.0050/M | GPT-OSS gpt-oss-20b speed / latency No data input / output $0.037/M / $0.075/M |
Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0.0006/M / $0.0050/M | GPT-OSS gpt-oss-20b speed / latency No data input / output $0.037/M / $0.075/M |
Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $1.13/M / $9.00/M | GPT-OSS openai/gpt-oss-20b:free speed / latency No data input / output $0.0050/M / $0.0050/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
