Claude Opus 4.6 vs GPT-5.5

Pricing as of 2026-06-26

Claude Opus 4.6 costs $15.00 per 1M input tokens and $75.00 per 1M output, versus $5.00 and $30.00 for GPT-5.5. For a 1M-input + 1M-output workload, GPT-5.5 is cheaper — about $35.00 vs $90.00. GPT-5.5 has the larger context window (1,050,000 vs 200,000 tokens).

Prices are list prices per 1,000,000 tokens, sourced from each provider and stored in Tokenia's model dataset. Estimates exclude caching, batch and volume discounts. Always confirm current pricing with the provider.