Data points: 43
The readout for Aion 2.0 and GPT-4, before the detailed comparison sheet.
Decision read
GPT-4
GPT-4 currently has the stronger profile, with verified wins split 0 to 4.
Evidence depth
43 data points
Includes 0 benchmark rows, 0 audit samples, and 4 provider examples.
Selection signal
Start with GPT-4
The charts below split 4 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 Aion 2.0 vs GPT-4aion-2-0-vs-gpt-4 | Model A Aion 2.0 | Model B GPT-4 |
|---|---|---|
| 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.
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 | Aion 2.0 | GPT-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 | Aion 2.0 | GPT-4 |
|---|---|---|
0 tests | Aion 2.0 speed / latency N/A / N/A input / output No data | GPT-4 |
This report only uses LMSpeed data for Aion 2.0 and GPT-4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Aion 2.0 | GPT-4 |
|---|---|---|
| When to choose each model | Aion 2.0 Aion 2.0 does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. | GPT-4 GPT-4 is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. |
TL;DR: GPT-4 leads across 43 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Aion 2.0 vs GPT-4 into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | Aion 2.0 exposes 131.1K tokens; notable signals: Text input, Text output, Tool calling, JSON mode. | GPT-4 exposes 8.2K tokens; notable signals: Text input, Text output, Tool calling, Structured outputs. |
|---|---|---|
| Developer | AionLabs | OpenAI |
| Context window | 131.1K tokens | 8.2K tokens |
| Max output | 32.8K tokens | 4.1K tokens |
| Released | Feb 2026 | May 2023 |
| Modalities | Input Text Output Text | Input Text Output Text |
| Features | Text inputText outputTool callingJSON modeReasoning | Text inputText outputTool callingStructured outputsJSON mode |
| Parameters | No data | No data |
| Tokenizer | Other | GPT |
| Knowledge cutoff | No data | 2021-09-30 |
| OpenRouter ID | aion-labs/aion-2.0 | openai/gpt-4 |
| References | No data | No data |
speed / latency
N/A / N/A
input / output
No data
Dext API0 tests | Aion 2.0 aion-labs/aion-2.0 speed / latency N/A / N/A input / output $0.033/M/$0.066/M | GPT-4 gpt-4 speed / latency N/A / N/A input / output $4.93/M/$9.86/M |
|---|
OpenRouter0 tests | Aion 2.0 speed / latency N/A / N/A input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
|---|
OpenRouter Fans0 tests | Aion 2.0 speed / latency N/A / N/A input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
|---|
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.