Data points: 150
The readout for Gemini 3.1 Pro and GPT-OSS, before the detailed comparison sheet.
Decision read
GPT-OSS
GPT-OSS currently has the stronger profile, with verified wins split 1 to 5.
Evidence depth
150 data points
Includes 37 benchmark rows, 2 audit samples, and 7 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 3.1 Pro vs GPT-OSSgemini-3-1-pro-vs-gpt-oss | Model A Gemini 3.1 Pro | Model B GPT-OSS |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 1 wins | 5 wins |
| Where it leads | Provider coverage | Cheapest input price, Average speed, First-token latency, Free providers, Recent tests |
| Model metadata | Gemini 3.1 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 | Feb 2026 | Aug 2025 |
| Modalities | Input AudioFileImageTextvideo 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 | No data | 2024-06-30 |
| OpenRouter ID | google/gemini-3.1-pro-preview | openai/gpt-oss-120b:free |
| References | No data | No data |
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 3.1 Pro
65.2
Avg. score
GPT-OSS
57.1
Selected category
Multimodal
GPT-OSS leads by 21.7
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Gemini 3.1 Pro
winner88.0
Rank #5/82 · confidence 3 · eval date 2026-02-19
GPT-OSS
34.0
Rank #60/82 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
135.2 tok/s
Rank #22/78 · confidence 4
GPT-OSS
winner324.3 tok/s
Rank #1/78 · confidence 4
Gemini 3.1 Pro
18.53 s
Rank #67/78 · confidence 4
GPT-OSS
winner0.53 s
Rank #6/78 · confidence 4
Gemini 3.1 Pro
18.53 s
Rank #51/78 · confidence 4
GPT-OSS
winner6.70 s
Rank #39/78 · confidence 4
Gemini 3.1 Pro
$4.50/M
Rank #73/95 · confidence 4
GPT-OSS
winner$0.262/M
Rank #13/95 · confidence 4
Gemini 3.1 Pro
$2.00/M
Rank #72/95 · confidence 4
GPT-OSS
winner$0.150/M
Rank #13/95 · confidence 4
Gemini 3.1 Pro
$12.00/M
Rank #73/95 · confidence 4
GPT-OSS
winner$0.600/M
Rank #15/95 · confidence 4
Gemini 3.1 Pro
winner96.4
Rank #2/57 · confidence 3 · eval date 2026-02-19
GPT-OSS
30.2
Rank #47/57 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner94.1%
Rank #2/103 · confidence 4
GPT-OSS
67.2%
Rank #73/103 · confidence 4
Gemini 3.1 Pro
winner17.7
Rank #5/44 · confidence 3 · eval date 2026-02-19
GPT-OSS
1.1
Rank #31/44 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner44.7%
Rank #5/103 · confidence 4
GPT-OSS
5.2%
Rank #73/103 · confidence 4
Gemini 3.1 Pro
winner72.7
Rank #7/57 · confidence 3 · eval date 2026-02-19
GPT-OSS
50.7
Rank #41/57 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner68.8
Rank #1/61 · confidence 3 · eval date 2026-02-19
GPT-OSS
28.6
Rank #41/61 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner58.9
Rank #1/63 · confidence 3 · eval date 2026-02-19
GPT-OSS
38.9
Rank #40/63 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner58.9%
Rank #2/101 · confidence 4
GPT-OSS
36.0%
Rank #65/101 · confidence 4
Gemini 3.1 Pro
winner93.2
Rank #4/69 · confidence 3 · eval date 2026-02-19
GPT-OSS
21.2
Rank #61/69 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner53.8
Rank #4/59 · confidence 3 · eval date 2026-02-19
GPT-OSS
23.5
Rank #43/59 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner78.9
Rank #5/10 · confidence 3 · eval date 2026-02-19
GPT-OSS
71.6
Rank #8/10 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner67.0
Rank #28/51 · confidence 3 · eval date 2026-02-19
GPT-OSS
26.3
Rank #44/51 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner94.1
Rank #1/63 · confidence 3 · eval date 2026-02-19
GPT-OSS
78.2
Rank #40/63 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner44.7
Rank #2/63 · confidence 3 · eval date 2026-02-19
GPT-OSS
18.5
Rank #33/63 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner55.3
Rank #2/58 · confidence 3 · eval date 2026-02-19
GPT-OSS
21.5
Rank #49/58 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
49.9
Rank #46/58 · confidence 3 · eval date 2026-02-19
GPT-OSS
winner91.2
Rank #4/58 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner46.5
Rank #5/66 · confidence 3 · eval date 2026-02-19
GPT-OSS
23.8
Rank #43/66 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner93.3
Rank #6/67 · confidence 3 · eval date 2026-02-19
GPT-OSS
44.5
Rank #52/67 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner100.0
Rank #1/50 · confidence 3 · eval date 2026-02-19
GPT-OSS
35.3
Rank #39/50 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner84.0
Rank #10/60 · confidence 3 · eval date 2026-02-19
GPT-OSS
18.9
Rank #53/60 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner1294.0
Rank #10/46 · confidence 3 · eval date 2026-02-19
GPT-OSS
1011.0
Rank #44/46 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner77.1
Rank #4/60 · confidence 3 · eval date 2026-02-19
GPT-OSS
69.0
Rank #26/60 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner93.2
Rank #6/56 · confidence 3 · eval date 2026-02-19
GPT-OSS
38.5
Rank #52/56 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner32.0
Rank #2/10 · confidence 3 · eval date 2026-02-19
GPT-OSS
3.1
Rank #9/10 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner95.6
Rank #9/58 · confidence 3 · eval date 2026-02-19
GPT-OSS
65.8
Rank #39/58 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner56.9
Rank #11/36 · confidence 3 · eval date 2026-02-19
GPT-OSS
29.6
Rank #34/36 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner23.6
Rank #12/14 · confidence 3 · eval date 2026-02-19
GPT-OSS
13.8
Rank #13/14 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner971.0
Rank #13/16 · confidence 3 · eval date 2026-02-19
GPT-OSS
775.0
Rank #14/16 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
winner66.9
Rank #21/69 · confidence 3 · eval date 2026-02-19
GPT-OSS
34.6
Rank #53/69 · confidence 1 · eval date 2025-08-05
Gemini 3.1 Pro
21.4
Rank #49/57 · confidence 3 · eval date 2026-02-19
GPT-OSS
winner37.9
Rank #38/57 · 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 3.1 Pro | GPT-OSS |
|---|---|---|
VSLLMWinner: Gemini 3.1 Pro | Gemini 3.1 Pro gemini-3.1-pro-preview Audit score 79 698463100 | GPT-OSS gpt-oss-120b No audit yet |
小水管 APIWinner: GPT-OSS | Gemini 3.1 Pro gemini-3.1-pro No audit yet | GPT-OSS gpt-oss-20b Audit score 79 648468100 |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Gemini 3.1 Pro | GPT-OSS |
|---|---|---|
OpenRouter40 tests | Gemini 3.1 Pro speed / latency N/A / N/A input / output No data | GPT-OSS speed / latency 41 tok/s / 2851ms input / output No data |
素墨API35 tests | Gemini 3.1 Pro speed / latency N/A / N/A input / output No data | GPT-OSS speed / latency 347 tok/s / 2670ms input / output No data |
钠 API25 tests | Gemini 3.1 Pro gemini-3.1-pro-preview speed / latency 96 tok/s / 13019ms input / output $0.0041/M / $0.0041/M | GPT-OSS gpt-oss-120b-medium speed / latency 908 tok/s / 3109ms input / output $0.055/M / $0.110/M |
Rnglg2 API20 tests | Gemini 3.1 Pro speed / latency N/A / N/A input / output No data | GPT-OSS speed / latency 338 tok/s / 2317ms input / output No data |
星见雅 API20 tests | Gemini 3.1 Pro speed / latency N/A / N/A input / output No data | GPT-OSS speed / latency 164 tok/s / 1247ms input / output No data |
Gemini 3.1 Pro gemini-3.1-pro-preview speed / latency No data input / output $0/M / $0/M | GPT-OSS gpt-oss:120b speed / latency No data input / output $0/M / $0/M | |
Gemini 3.1 Pro gemini-3.1-pro speed / latency No data input / output $2.00/M / $12.00/M | GPT-OSS openai/gpt-oss-20b:free speed / latency No data input / output $0.0050/M / $0.0050/M |
This report only uses LMSpeed data for Gemini 3.1 Pro and GPT-OSS: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Gemini 3.1 Pro | GPT-OSS |
|---|---|---|
| When to choose each model | Gemini 3.1 Pro Gemini 3.1 Pro is stronger when you prioritize Provider coverage. | GPT-OSS GPT-OSS is stronger when you prioritize Cheapest input price, Average speed, First-token latency, Free providers, Recent tests. |
TL;DR: GPT-OSS leads across 150 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Gemini 3.1 Pro vs GPT-OSS into nearby model comparisons with enough verified LMSpeed data.
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
