Model comparison · updated 2026-07-28

GPT-5.6 TerravsClaude Opus 4.8

Side-by-side pricing for1 million tokens

Price comparison

GPT-5.6 TerraClaude Opus 4.8Verdict
ProviderOpenAIAnthropic--
Context window1.05M1M--
Input / 1M tokens$2.50$5GPT-5.6 Terra is 2x cheaper
Output / 1M tokens$15$25GPT-5.6 Terra is 1.7x cheaper
Output:input ratio6x5x--
Tierflagshipflagship--

What does $10 buy?

$10 of input

GPT-5.6 Terra

4,000,000 tokens

Claude Opus 4.8

2,000,000 tokens

GPT-5.6 Terra gives you 2x more input for the same budget.

$10 of output

GPT-5.6 Terra

666,667 tokens

Claude Opus 4.8

400,000 tokens

GPT-5.6 Terra gives you 1.7x more output for the same budget.

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