AiCostCompare

Compare models

Pick up to 4 models for a side-by-side spec sheet. Hover any dotted metric name for what the test measures. Best value in each row is highlighted.

Claude Opus 5 (batch)GPT-4.1
Claude Opus 5 (batch)

Anthropic

GPT-4.1

OpenAI

Pricing
Input $/1M$2.50$2.00
Output $/1M$12.50$8.00
Blended $/1M (3:1)$5.00$3.50
Cache read $/1M$0.25$0.50
Cache write $/1M$3.13
Quality indices
Intelligence Index50.812.7
Coding Index78
Math Index34.7
Agentic Index56.5
Speed & latency
Output speed (tok/s)540
Time to first token25.13s0s
Time to first answer token25.13s0s
Benchmarks (Artificial Analysis)
MMLU-Pro80.6%
GPQA Diamond93.2%66.6%
Humanity's Last Exam54.9%4.2%
LiveCodeBench45.7%
SciCode56.4%
MATH-50091.3%
AIME43.7%
AIME 202534.7%
IFBench43.0%
AA-LCR (Long Context Reasoning)79.3%68.3%
Terminal-Bench Hard13.6%
Terminal-Bench 2.189.1%
τ²-Bench (Telecom)47.1%
τ³-Bench Banking42.1%
Design Arena (Elo)
Website1,3211,051
Web apps1,278
Full-stack1,314
Mobile apps1,348
Android native1,266
UI components1,3601,016
Data viz1,3531,117
SVG1,345
3D1,360878
Game dev1,3611,103
Agentic game dev1,261
Godot game dev1,275
Python→PPTX slides1,265
Code categories1,3381,041
ASCII art1,390
Specs
Context window1M1.05M
Max output tokens128K33K
Input modalitiestext, image, fileimage, text, file
TokenizerClaudeGPT