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Models · gpt-4

GPT-4

Proprietary OpenAI · — · Proprietary

The frontier reference point for the 2023-2024 open-weights catch-up race. Architecture and training data not disclosed.

Cost

$30.00 / Mtok input
$60.00 / Mtok output

OpenAI API · as of 2026-05-21

via Artificial Analysis ↗

Speed

28.6 tok/sec output
1060 ms TTFT

OpenAI API · as of 2026-05-21

via Artificial Analysis ↗

Architecture

tokens in Embedding vocab not disclosed × N layers Architecture not disclosed (proprietary or undocumented) Output projection tokens out
Schema-generated from data/models.yaml. Every label is auditable against the model's sources.

Specs

Architecture
unknown
Total params
not disclosed
Active params
not disclosed
Context window
not verified
Attention
unknown
Position encoding
unknown
Post-training
rlhf
OSI-approved
no
Data released
no
Training code
not released

Benchmarks

Each score carries the date it was published; we never infer or interpolate missing scores.

Recommended use cases

  • historical baseline (largely superseded by 4o)

Available quantizations

None. The weights are not distributed, so there are no public quantizations.

Notable innovations

  • · First widely-used multimodal frontier model

Lineage

Derivatives

Sources