MultimodalAPI only
GPT-4.5
OpenAI
Updated May 21, 2026 · Benchmarks via Artificial Analysis, specs & pricing via OpenRouter · Methodology · Report an error
Specifications
- Type
- Multimodal
- Access
- API only
- Released
- February 27, 2025
- License
- Proprietary
- Context window
- 128,000 tokens
- Output speed
- 50 tok/s
- Latency (TTFT)
- 20s
- Input
- Text, Image
- Output
- Text
- API pricing
- $75.00 in · $150.00 out / 1M tokens
Capabilities
Function callingStructured output
Benchmarks
Our take
OpenAI’s largest non-reasoning model, tuned for warmth, broad knowledge, and lower hallucination rather than benchmark dominance. Its steep price underscored how the frontier had shifted toward reasoning models.