Data points: 104
The readout for GPT-5.2 and gpt-oss-120b, before the detailed comparison sheet.
Decision read
GPT-5.2
GPT-5.2 currently has the stronger profile, with verified wins split 4 to 0.
Evidence depth
104 data points
Includes 32 benchmark rows, 0 audit samples, and 3 provider examples.
Selection signal
Start with GPT-5.2
The charts below split 35 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-5.2 vs gpt-oss-120bgpt-5-2-vs-gpt-oss-120b | Model A GPT-5.2 | Model B gpt-oss-120b |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 0 wins |
| Where it leads | Cheapest input price, 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-5.2
64.1
Avg. score
gpt-oss-120b
56.5
Selected category
Agents
GPT-5.2 leads by 23.4
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GPT-5.2
winner75.0
Rank #13/96 · confidence 2 · eval date 2025-12-11
gpt-oss-120b
34.0
Rank #71/96 · confidence 1 · eval date 2025-08-05
GPT-5.2
68.0 tok/s
Rank #69/113 · confidence 4
gpt-oss-120b
winner330.2 tok/s
Rank #1/113 · confidence 4
GPT-5.2
0.71 s
Rank #25/113 · confidence 4
gpt-oss-120b
winner0.50 s
Rank #8/113 · confidence 4
GPT-5.2
winner0.71 s
Rank #20/113 · confidence 4
gpt-oss-120b
6.56 s
Rank #58/113 · confidence 4
GPT-5.2
$4.81/M
Rank #113/138 · confidence 4
gpt-oss-120b
winner$0.262/M
Rank #20/138 · confidence 4
GPT-5.2
$1.75/M
Rank #104/138 · confidence 4
gpt-oss-120b
winner$0.150/M
Rank #20/138 · confidence 4
GPT-5.2
$14.00/M
Rank #113/138 · confidence 4
gpt-oss-120b
winner$0.600/M
Rank #22/138 · confidence 4
GPT-5.2
winner83.4
Rank #5/65 · confidence 2 · eval date 2025-12-11
gpt-oss-120b
29.2
Rank #53/65 · confidence 1 · eval date 2025-08-05
GPT-5.2
winner72.7
Rank #7/67 · confidence 2 · eval date 2025-12-11
gpt-oss-120b
50.7
Rank #50/67 · confidence 1 · eval date 2025-08-05
GPT-5.2
winner11.6
Rank #9/54 · confidence 2 · eval date 2025-12-11
gpt-oss-120b
1.1
Rank #37/54 · confidence 1 · eval date 2025-08-05
GPT-5.2
winner81.4%
Rank #51/113 · confidence 4
gpt-oss-120b
77.5%
Rank #72/113 · confidence 4
GPT-5.2
winner7.3%
Rank #81/150 · confidence 4
gpt-oss-120b
5.2%
Rank #104/150 · confidence 4
GPT-5.2
winner71.2%
Rank #85/152 · confidence 4
gpt-oss-120b
67.2%
Rank #96/152 · confidence 4
GPT-5.2
winner52.1
Rank #9/74 · confidence 2 · eval date 2025-12-11
gpt-oss-120b
38.9
Rank #47/74 · confidence 1 · eval date 2025-08-05
GPT-5.2
winner47.0
Rank #10/69 · confidence 2 · eval date 2025-12-11
gpt-oss-120b
23.5
Rank #51/69 · confidence 1 · eval date 2025-08-05
GPT-5.2
winner73.7
Rank #25/83 · confidence 2 · eval date 2025-12-11
gpt-oss-120b
21.3
Rank #72/83 · confidence 1 · eval date 2025-08-05
GPT-5.2
66.9%
Rank #38/108 · confidence 4
gpt-oss-120b
winner70.7%
Rank #31/108 · confidence 4
GPT-5.2
winner40.4%
Rank #48/149 · confidence 4
gpt-oss-120b
36.0%
Rank #81/149 · confidence 4
GPT-5.2
winner88.5
Rank #6/79 · confidence 2 · eval date 2025-12-11
gpt-oss-120b
39.1
Rank #61/79 · confidence 1 · eval date 2025-08-05
GPT-5.2
79.7
Rank #30/68 · confidence 2 · eval date 2025-12-11
gpt-oss-120b
winner91.2
Rank #7/68 · confidence 1 · eval date 2025-08-05
GPT-5.2
winner90.3
Rank #8/74 · confidence 2 · eval date 2025-12-11
gpt-oss-120b
78.2
Rank #48/74 · confidence 1 · eval date 2025-08-05
GPT-5.2
winner43.8
Rank #9/68 · confidence 2 · eval date 2025-12-11
gpt-oss-120b
21.5
Rank #53/68 · confidence 1 · eval date 2025-08-05
GPT-5.2
winner35.4
Rank #10/74 · confidence 2 · eval date 2025-12-11
gpt-oss-120b
18.5
Rank #41/74 · confidence 1 · eval date 2025-08-05
GPT-5.2
winner42.2
Rank #11/77 · confidence 2 · eval date 2025-12-11
gpt-oss-120b
23.8
Rank #52/77 · confidence 1 · eval date 2025-08-05
GPT-5.2
winner95.2
Rank #5/59 · confidence 2 · eval date 2025-12-11
gpt-oss-120b
36.4
Rank #41/59 · confidence 1 · eval date 2025-08-05
GPT-5.2
winner80.8
Rank #11/70 · confidence 2 · eval date 2025-12-11
gpt-oss-120b
24.1
Rank #62/70 · confidence 1 · eval date 2025-08-05
GPT-5.2
winner1237.0
Rank #25/50 · confidence 2 · eval date 2025-12-11
gpt-oss-120b
1011.0
Rank #47/50 · confidence 1 · eval date 2025-08-05
GPT-5.2
winner75.4
Rank #15/70 · confidence 2 · eval date 2025-12-11
gpt-oss-120b
69.0
Rank #32/70 · confidence 1 · eval date 2025-08-05
GPT-5.2
winner79.1
Rank #18/66 · confidence 2 · eval date 2025-12-11
gpt-oss-120b
45.9
Rank #57/66 · confidence 1 · eval date 2025-08-05
GPT-5.2
winner46.5
Rank #24/42 · confidence 2 · eval date 2025-12-11
gpt-oss-120b
29.6
Rank #39/42 · confidence 1 · eval date 2025-08-05
GPT-5.2
winner84.8
Rank #31/68 · confidence 2 · eval date 2025-12-11
gpt-oss-120b
65.8
Rank #47/68 · confidence 1 · eval date 2025-08-05
GPT-5.2
winner52.9
Rank #36/81 · confidence 2 · eval date 2025-12-11
gpt-oss-120b
33.0
Rank #67/81 · confidence 1 · eval date 2025-08-05
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5.2 | gpt-oss-120b |
|---|---|---|
| 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-5.2 | gpt-oss-120b |
|---|---|---|
5 tests | GPT-5.2 speed / latency 71 tok/s / 2893ms input / output No data | gpt-oss-120b |
This report only uses LMSpeed data for GPT-5.2 and gpt-oss-120b: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-5.2 | gpt-oss-120b |
|---|---|---|
| When to choose each model | GPT-5.2 GPT-5.2 is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. | gpt-oss-120b gpt-oss-120b does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: GPT-5.2 leads across 104 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-5.2 vs gpt-oss-120b into nearby model comparisons with enough verified LMSpeed data.
| No data |
| Model metadata | GPT-5.2 exposes 400K tokens; notable signals: Text input, Image input, File input, Text output. | gpt-oss-120b exposes 131.1K tokens; notable signals: Text input, Text output, Tool calling, Structured outputs. |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Context window | 400K tokens | 131.1K tokens |
| Max output | 128K tokens | 131.1K tokens |
| Released | Dec 2025 | No data |
| Modalities | Input FileImageText Output Text | Input Text Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputText outputTool callingStructured outputsJSON modeReasoning |
| Parameters | No data | 120B |
| Tokenizer | GPT | GPT |
| Knowledge cutoff | No data | 2024-06-30 |
| OpenRouter ID | openai/gpt-5.2 | openai/gpt-oss-120b |
| References | No data | No data |
speed / latency
N/A / N/A
input / output
No data
Crond0 tests | GPT-5.2 gpt-5.2 speed / latency N/A / N/A input / output $1.75/M / $14.00/M | gpt-oss-120b gpt-oss-120b-免费 speed / latency N/A / N/A input / output $15.00/M / $15.00/M |
|---|
R的API小站0 tests | GPT-5.2 speed / latency N/A / N/A input / output No data | gpt-oss-120b speed / latency N/A / N/A input / output No data |
|---|
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
