Data points: 64
The readout for GPT-3.5 Turbo Instruct and GPT-5, before the detailed comparison sheet.
Decision read
GPT-5
GPT-5 currently has the stronger profile, with verified wins split 0 to 4.
Evidence depth
64 data points
Includes 0 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Start with GPT-5
The charts below split 8 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 Instruct vs GPT-5gpt-3-5-turbo-instruct-vs-gpt-5 | Model A GPT-3.5 Turbo Instruct | Model B GPT-5 |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 0 wins | 4 wins |
| Where it leads | No data | 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 Instruct
-
Avg. score
GPT-5
61.7
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 Instruct | 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 Instruct | GPT-5 |
|---|---|---|
20 tests | GPT-3.5 Turbo Instruct speed / latency N/A / N/A input / output No data |
This report only uses LMSpeed data for GPT-3.5 Turbo Instruct and GPT-5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-3.5 Turbo Instruct | GPT-5 |
|---|---|---|
| When to choose each model | GPT-3.5 Turbo Instruct GPT-3.5 Turbo Instruct does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. | GPT-5 GPT-5 is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. |
TL;DR: GPT-5 leads across 64 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-3.5 Turbo Instruct vs GPT-5 into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | GPT-3.5 Turbo Instruct exposes 4.1K tokens; notable signals: Text input, Text output, Structured outputs, JSON mode. | 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 | Sep 2023 | Aug 2025 |
| Modalities | Input Text Output Text | Input FileImageText Output Text |
| Features | Text inputText outputStructured 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-instruct | openai/gpt-5-chat |
| References | No data | No data |
GPT-5
speed / latency
95 tok/s / 1234ms
input / output
No data
42公益站0 tests | GPT-3.5 Turbo Instruct 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 Instruct speed / latency N/A / N/A input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
|---|
AI API0 tests | GPT-3.5 Turbo Instruct speed / latency N/A / N/A input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
|---|
AIGCBAR0 tests | GPT-3.5 Turbo Instruct 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 Instruct gpt-3.5-turbo-instruct-0914 speed / latency No data input / output $3.08/M / $4.11/M | GPT-5 gpt-5-chat-latest speed / latency No data input / output $0.051/M / $0.411/M |
GPT-3.5 Turbo Instruct gpt-3.5-turbo-instruct speed / latency No data input / output $0.185/M / $0.370/M | GPT-5 gpt-5-chat-latest speed / latency No data input / output $0.154/M / $1.23/M |
GPT-3.5 Turbo Instruct gpt-3.5-turbo-instruct-0914 speed / latency No data input / output $10.27/M / $20.55/M | GPT-5 gpt-5-search-api-2025-10-14 speed / latency No data input / output $0.171/M / $1.37/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
