Data points: 21
The readout for GPT-3.5 Turbo (older v0613) and GPT-5.4, before the detailed comparison sheet.
Decision read
GPT-5.4
GPT-5.4 currently has the stronger profile, with verified wins split 0 to 3.
Evidence depth
21 data points
Includes 0 benchmark rows, 0 audit samples, and 0 provider examples.
Selection signal
Start with GPT-5.4
The charts below split 0 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 (older v0613) vs GPT-5.4gpt-3-5-turbo-0613-vs-gpt-5-4 | Model A GPT-3.5 Turbo (older v0613) | Model B GPT-5.4 |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 0 wins | 3 wins |
| Where it leads | No data |
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 (older v0613)
-
Avg. score
GPT-5.4
63.6
Selected category
Agents
GPT-5.4
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 (older v0613) | GPT-5.4 |
|---|---|---|
| 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 (older v0613) | GPT-5.4 |
|---|---|---|
| No shared provider examples are available yet. | ||
This report only uses LMSpeed data for GPT-3.5 Turbo (older v0613) and GPT-5.4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-3.5 Turbo (older v0613) | GPT-5.4 |
|---|---|---|
| When to choose each model | GPT-3.5 Turbo (older v0613) GPT-3.5 Turbo (older v0613) does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. | GPT-5.4 GPT-5.4 is stronger when you prioritize Free providers, Provider coverage, Recent tests. |
TL;DR: GPT-5.4 leads across 21 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-3.5 Turbo (older v0613) vs GPT-5.4 into nearby model comparisons with enough verified LMSpeed data.
| Free providers, Provider coverage, Recent tests |
| Model metadata | GPT-3.5 Turbo (older v0613) exposes 4.1K tokens; notable signals: Text input, Text output, Tool calling, Structured outputs. | GPT-5.4 exposes 1.1M tokens; notable signals: Text input, Image input, File input, Text output. |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Context window | 4.1K tokens | 1.1M tokens |
| Max output | 4.1K tokens | 128K tokens |
| Released | No data | Mar 2026 |
| Modalities | Input Text Output Text | Input TextImageFile Output Text |
| Features | Text inputText outputTool callingStructured outputsJSON mode | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
| Parameters | No data | No data |
| Tokenizer | GPT | GPT |
| Knowledge cutoff | 2021-09-30 | No data |
| OpenRouter ID | openai/gpt-3.5-turbo-0613 | openai/gpt-5.4 |
| References | No data | No data |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
