gpt-5.6-terra vs gpt-6-astra

Pricing and scores side by side. Blank cells mean the price is undisclosed or the model did not take that test.

gpt-5.6-terraOpenAIgpt-6-astraOpenAI
InputUSD / 1M tokens$2.00$10.00
OutputUSD / 1M tokens$12.00$50.00
Monthly costat 10M tokens/month$45.00₩60,419$200.00₩268,527
Context1.05M1.05M
Report card
Overall42.3#9/16252.8#2/162
ScienceGPQA92.5#18/15796.1#1/157
CodingAA Coding Index76.7#6/8176.9#4/81
ReadingAA-LCR83.0#8/14280.7#19/142
Instruction followingIFBench71.2#34/129not taken
Hard reasoningHLE42.9#14/15854.7#4/158

Measured and published by Artificial Analysis. Each subject is a different test, so compare within a subject rather than across them.