Data points: 55
The readout for GPT-5 and Meta Llama 3.1 Instruct, before the detailed comparison sheet.
Decision read
GPT-5
GPT-5 currently has the stronger profile, with verified wins split 4 to 0.
Evidence depth
55 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.
Model compare GPT-5 vs Meta Llama 3.1 Instructgpt-5-vs-meta-llama-3-1-instruct | Model A GPT-5 | Model B Meta Llama 3.1 Instruct |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 0 wins |
| Where it leads | Cheapest input price, Free providers, Provider coverage, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | GPT-5 | Meta Llama 3.1 Instruct |
|---|---|---|
| No shared benchmark metrics are available yet. | ||
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5 | Meta Llama 3.1 Instruct |
|---|---|---|
| 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 | Meta Llama 3.1 Instruct |
|---|---|---|
0 tests | GPT-5 gpt-5-2025-08-07 speed / latency N/A / N/A input / output $0.034/M / $0.274/M |
This report only uses LMSpeed data for GPT-5 and Meta Llama 3.1 Instruct: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-5 | Meta Llama 3.1 Instruct |
|---|---|---|
| When to choose each model | GPT-5 GPT-5 is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. | Meta Llama 3.1 Instruct Meta Llama 3.1 Instruct does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: GPT-5 leads across 55 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-5 vs Meta Llama 3.1 Instruct into nearby model comparisons with enough verified LMSpeed data.
| No data |
| Model metadata | GPT-5 exposes 128K 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 | 128K tokens | No data |
| Max output | 16.4K tokens | No data |
| Released | Aug 2025 | No data |
| Modalities | Input FileImageText Output Text | No data |
| Features | Text inputImage inputFile inputText outputStructured outputsJSON mode | None listed |
| Parameters | No data | No data |
| Tokenizer | GPT | No data |
| Knowledge cutoff | 2024-09-30 | No data |
| OpenRouter ID | openai/gpt-5-chat | No data |
| References | No data | No data |
Meta Llama 3.1 Instruct
meta-llama/Meta-Llama-3.1-8B-Instruct-fast
speed / latency
N/A / N/A
input / output
$1.03/M / $1.03/M
Crond0 tests | GPT-5 speed / latency N/A / N/A input / output No data | Meta Llama 3.1 Instruct speed / latency N/A / N/A input / output No data |
|---|
IXIOCCAPI0 tests | GPT-5 speed / latency N/A / N/A input / output No data | Meta Llama 3.1 Instruct speed / latency N/A / N/A input / output No data |
|---|
LLM API0 tests | GPT-5 speed / latency N/A / N/A input / output No data | Meta Llama 3.1 Instruct speed / latency N/A / N/A input / output No data |
|---|
ocool AI0 tests | GPT-5 speed / latency N/A / N/A input / output No data | Meta Llama 3.1 Instruct speed / latency N/A / N/A input / output No data |
|---|
GPT-5 gpt-5 speed / latency No data input / output $0.0006/M / $0.0050/M | Meta Llama 3.1 Instruct meta-llama-3.1-8b-instruct speed / latency No data input / output $0.037/M / $0.037/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
