Data points: 64
Model compare
The readout for GPT-3.5 Turbo 16k and GPT-4, before the detailed comparison sheet.
Weighted outcome: GPT-4. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GPT-4
GPT-4 has the higher weighted result; Model A / B score 0 to 100.
Evidence depth
64 data points
Includes 0 benchmark rows, 0 audit samples, and 5 provider examples.
Selection signal
Start with GPT-4
The charts below split 5 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-3.5 Turbo 16k and GPT-4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GPT-3.5 Turbo 16k | GPT-4 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 0.0 pts | 100.0 pts |
| Benchmark category leads | 0 categories | 0 categories |
| Operational advantages | No data | Cheapest input price, Free providers, Provider coverage |
| Context window | 16.4K tokens | 8.2K tokens |
| Max output | 4.1K tokens | 4.1K tokens |
| Modalities | Input Text Output Text | Input 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-3.5 Turbo 16k | GPT-4 |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Released | Aug 2023 | May 2023 |
| Parameters | No data | No data |
| Tokenizer | GPT | GPT |
| Knowledge cutoff | 2021-09-30 | 2021-09-30 |
| OpenRouter ID | openai/gpt-3.5-turbo-16k | openai/gpt-4 |
| References | No data | No data |
This report only uses LMSpeed data for GPT-3.5 Turbo 16k and GPT-4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GPT-3.5 Turbo 16k
GPT-3.5 Turbo 16k does not clearly lead in the benchmark or operational dimensions shared by both models.
GPT-4
GPT-4 has these operational advantages: Cheapest input price, Free providers, Provider coverage.
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-3.5 Turbo 16k
-
Avg. score
GPT-4
49.5
No data
GPT-4
No data
No data
No data
No data
No data
No data
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
No shared professional benchmark scores are available yet.
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-3.5 Turbo 16k | GPT-4 |
|---|---|---|
| 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-3.5 Turbo 16k | GPT-4 |
|---|---|---|
0 tests | GPT-3.5 Turbo 16k gpt-3.5-turbo-16k speed / latency N/A / N/A input / output $1.15/M/$2.29/M | GPT-4 gpt-4 speed / latency N/A / N/A input / output $38.22/M/$76.44/M |
0 tests | GPT-3.5 Turbo 16k gpt-3.5-turbo-16k speed / latency N/A / N/A input / output $1.23/M/$2.47/M | GPT-4 gpt-4-0613 speed / latency N/A / N/A input / output $41.10/M |
0 tests | GPT-3.5 Turbo 16k gpt-3.5-turbo-16k speed / latency N/A / N/A input / output $0.986/M/$1.97/M | GPT-4 gpt-4-0613 speed / latency N/A / N/A input / output $32.88/M |
0 tests | GPT-3.5 Turbo 16k gpt-3.5-turbo-16k speed / latency N/A / N/A input / output $0.616/M/$1.23/M | GPT-4 gpt-4 speed / latency N/A / N/A input / output $20.55/M |
0 tests | GPT-3.5 Turbo 16k gpt-3.5-turbo-16k speed / latency N/A / N/A input / output $1.15/M/$2.29/M | GPT-4 gpt-4 speed / latency N/A / N/A input / output $38.22/M |
Weighted outcome: GPT-4. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Output
| Features | Text inputText outputTool callingStructured outputsJSON mode | Text inputText outputTool callingStructured outputsJSON mode |
|---|
