Data points: 66
The readout for GPT-3.5 Turbo and GPT-5, before the detailed comparison sheet.
Decision read
GPT-5
GPT-5 currently has the stronger profile, with verified wins split 2 to 4.
Evidence depth
66 data points
Includes 0 benchmark rows, 0 audit samples, and 6 provider examples.
Selection signal
Start with GPT-5
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.
Model compare GPT-3.5 Turbo vs GPT-5gpt-3-5-turbo-vs-gpt-5 | Model A GPT-3.5 Turbo | Model B GPT-5 |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 2 wins | 4 wins |
| Where it leads | Average speed, First-token latency | 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-3.5 Turbo
-
Avg. score
GPT-5
61.4
Selected category
Agents
GPT-5
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 | GPT-5 |
|---|---|---|
| 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 | GPT-5 |
|---|---|---|
20 tests | GPT-3.5 Turbo speed / latency N/A / N/A input / output No data | GPT-5 |
This report only uses LMSpeed data for GPT-3.5 Turbo and GPT-5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-3.5 Turbo | GPT-5 |
|---|---|---|
| When to choose each model | GPT-3.5 Turbo GPT-3.5 Turbo is stronger when you prioritize Average speed, First-token latency. | GPT-5 GPT-5 is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. |
TL;DR: GPT-5 leads across 66 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-3.5 Turbo vs GPT-5 into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | GPT-3.5 Turbo exposes 4.1K tokens; notable signals: Text input, Text output, Tool calling, Structured outputs. | GPT-5 exposes 128K tokens; notable signals: Text input, Image input, File input, Text output. |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Context window | 4.1K tokens | 128K tokens |
| Max output | 4.1K tokens | 16.4K tokens |
| Released | Jan 2024 | Aug 2025 |
| Modalities | Input Text Output Text | Input FileImageText Output Text |
| Features | Text inputText outputTool callingStructured outputsJSON mode | Text inputImage inputFile inputText outputStructured outputsJSON mode |
| Parameters | No data | No data |
| Tokenizer | GPT | GPT |
| Knowledge cutoff | 2021-09-30 | 2024-09-30 |
| OpenRouter ID | openai/gpt-3.5-turbo-0613 | openai/gpt-5-chat |
| References | No data | No data |
speed / latency
95 tok/s / 1234ms
input / output
No data
EasyMore10 tests | GPT-3.5 Turbo speed / latency 54 tok/s / 9591ms input / output No data | GPT-5 speed / latency 46 tok/s / 6577ms input / output No data |
|---|
N1N5 tests | GPT-3.5 Turbo speed / latency N/A / N/A input / output No data | GPT-5 speed / latency 102 tok/s / 948ms input / output No data |
|---|
42公益站0 tests | GPT-3.5 Turbo speed / latency N/A / N/A input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
|---|
AAAI0 tests | GPT-3.5 Turbo speed / latency N/A / N/A input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
|---|
GPT-3.5 Turbo gpt-3.5-turbo-16k-0613 speed / latency No data input / output $0.123/M / $0.164/M | GPT-5 gpt-5-chat-latest speed / latency No data input / output $0.051/M / $0.411/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
