Data points: 56
The readout for GPT-5.4 and Llama 3.3, before the detailed comparison sheet.
Decision read
GPT-5.4
GPT-5.4 currently has the stronger profile, with verified wins split 4 to 2.
Evidence depth
56 data points
Includes 0 benchmark rows, 0 audit samples, and 5 provider examples.
Selection signal
Start with GPT-5.4
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.
Model compare GPT-5.4 vs Llama 3.3gpt-5-4-vs-llama-3-3 | Model A GPT-5.4 | Model B Llama 3.3 |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 2 wins |
| Where it leads | Cheapest input price, Free providers, Provider coverage, Recent tests | Average speed, First-token latency |
| Model metadata | GPT-5.4 exposes 1.1M tokens; notable signals: Text input, Image input, File input, Text output. | No OpenRouter metadata is available yet for this model. |
| Developer | OpenAI | Meta |
| Context window | 1.1M tokens | No data |
| Max output | 128K tokens | No data |
| Released | Mar 2026 | No data |
| Modalities | Input TextImageFile Output Text | No data |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | None listed |
| Parameters | No data | No data |
| Tokenizer | GPT | No data |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | openai/gpt-5.4 | No data |
| References | No data | 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-5.4
66.6
Avg. score
Llama 3.3
-
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-5.4 | Llama 3.3 |
|---|---|---|
| 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-5.4 | Llama 3.3 |
|---|---|---|
天絮 API5 tests | GPT-5.4 speed / latency 46 tok/s / 3291ms input / output No data | Llama 3.3 speed / latency N/A / N/A input / output No data |
APDSM0 tests | GPT-5.4 speed / latency N/A / N/A input / output No data | Llama 3.3 speed / latency N/A / N/A input / output No data |
CHB API0 tests | GPT-5.4 gpt-5.4-xhigh speed / latency N/A / N/A input / output $0.034/M / $0.205/M | Llama 3.3 llama-3.3-70b speed / latency N/A / N/A input / output $1.03/M / $1.03/M |
HotaruAPI0 tests | GPT-5.4 speed / latency N/A / N/A input / output No data | Llama 3.3 speed / latency N/A / N/A input / output No data |
KFCV500 tests | GPT-5.4 speed / latency N/A / N/A input / output No data | Llama 3.3 speed / latency N/A / N/A input / output No data |
This report only uses LMSpeed data for GPT-5.4 and Llama 3.3: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-5.4 | Llama 3.3 |
|---|---|---|
| When to choose each model | GPT-5.4 GPT-5.4 is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. | Llama 3.3 Llama 3.3 is stronger when you prioritize Average speed, First-token latency. |
TL;DR: GPT-5.4 leads across 56 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-5.4 vs Llama 3.3 into nearby model comparisons with enough verified LMSpeed data.
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
