Data points: 57
Model compare
The readout for GPT-5.1 and Laguna S 2.1, before the detailed comparison sheet.
Weighted outcome: Laguna S 2.1. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
Laguna S 2.1
Laguna S 2.1 has the higher weighted result; Model A / B score 20 to 80.
Evidence depth
57 data points
Includes 1 benchmark rows, 0 audit samples, and 5 provider examples.
Selection signal
Start with Laguna S 2.1
The charts below split 6 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.
This report only uses LMSpeed data for GPT-5.1 and Laguna S 2.1: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GPT-5.1 | Laguna S 2.1 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 20.0 pts | 80.0 pts |
| Benchmark category leads | 0 categories | 2 categories |
| Operational advantages | Cheapest input price, Free providers, Provider coverage | No data |
| Context window | 400K tokens | 1.0M tokens |
| Max output | 128K tokens | 131.1K tokens |
| Modalities | Input ImageTextFile Output Text |
The overall result weights benchmark capability categories at 80% and price, API speed/latency, and availability at 20%. Recent test volume does not affect the winner, and missing benchmark categories are excluded.
| Model compare | GPT-5.1 | Laguna S 2.1 |
|---|---|---|
| Developer | OpenAI | Poolside |
| Released | Nov 2025 | Jul 2026 |
| Parameters | No data | No data |
| Tokenizer | GPT | Other |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | openai/gpt-5.1 | poolside/laguna-s-2.1 |
| References | No data | No data |
This report only uses LMSpeed data for GPT-5.1 and Laguna S 2.1: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GPT-5.1
GPT-5.1 has these operational advantages: Cheapest input price, Free providers, Provider coverage.
Laguna S 2.1
Laguna S 2.1 leads these benchmark categories: Agents, Coding.
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-5.1
52
Avg. score
Laguna S 2.1
53.8
Laguna S 2.1 leads by 5.9
Laguna S 2.1 leads by 4.5
GPT-5.1
GPT-5.1
GPT-5.1
No data
No data
GPT-5.1
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GPT-5.1
56.0
Rank #47/90 · confidence 1 · eval date 2025-11-13
Laguna S 2.1
winner59.0
Rank #36/90 · confidence 1 · eval date 2026-07-21
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5.1 | Laguna S 2.1 |
|---|---|---|
| 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-5.1 | Laguna S 2.1 |
|---|---|---|
0 tests | GPT-5.1 speed / latency N/A / N/A input / output No data | Laguna S 2.1 speed / latency N/A / N/A input / output No data |
0 tests | GPT-5.1 speed / latency N/A / N/A input / output No data | Laguna S 2.1 speed / latency N/A / N/A input / output No data |
0 tests | GPT-5.1 speed / latency N/A / N/A input / output No data | Laguna S 2.1 speed / latency N/A / N/A input / output No data |
0 tests | GPT-5.1 speed / latency N/A / N/A input / output No data | Laguna S 2.1 speed / latency N/A / N/A input / output No data |
0 tests | GPT-5.1 gpt-5-1 speed / latency N/A / N/A input / output $0.040/request | Laguna S 2.1 laguna-s-2.1 speed / latency N/A / N/A input / output $0.100/request |
Weighted outcome: Laguna S 2.1. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Input
Output
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputText outputTool callingReasoning |
|---|
