GPT-4.5 (Preview): Intelligence, Performance & Price Analysis
Analysis of OpenAI's GPT-4.5 (Preview) and comparison to other AI models across key metrics including quality, price, performance (tokens per second & time to first token), context window & more. Click on any model to compare API providers for that model. For more details including relating to our methodology, see our FAQs.
OpenAI has launched a newer model, GPT-4.1. We suggest considering this model instead of GPT-4.5 (Preview). See the following pages for a comparison of GPT-4.1 to other models and GPT-4.1 API provider benchmarks.
Comparison Summary
Intelligence:
GPT-4.5 (Preview) is of higher intelligence compared to average, with Artificial Analysis Intelligence Index of 38.
Price:Speed:Latency:Context Window:GPT-4.5 (Preview) has a smaller context windows than average, with a context window of 130k tokens.
Highlights
Intelligence
Artificial Analysis Intelligence Index; Higher is better
Estimate (independent evaluation forthcoming)
Speed
Output Tokens per Second; Higher is better
Price
USD per 1M Tokens; Lower is better
Parallel Queries:
Prompt Length:
GPT-4.5 (Preview) Model Details
Comparisons to GPT-4.5 (Preview)
GPT-4.5 (Preview)
gpt-oss-120B (high)
o3
GPT-4.1
GPT-5 (high)
GPT-5 (minimal)
gpt-oss-20B (high)
Llama 4 Maverick
Gemini 2.5 Flash
Gemini 2.5 Pro
Claude 4 Sonnet
Claude 4.1 Opus
Mistral Medium 3.1
DeepSeek V3.1
DeepSeek V3.1
DeepSeek R1 0528
Grok 4
Grok Code Fast 1
Solar Pro 2
Llama Nemotron Super 49B v1.5
Kimi K2 0905
EXAONE 4.0 32B
GLM-4.5
Qwen3 235B 2507
Further details