Compare/API Pricing

o3

Starting at $0.4/1M tkns
VS

Claude Opus 4.6

Starting at $1/1M tkns

AI Overview: TL;DR

When comparing o3 and Claude Opus 4.6 API pricing for 2026, o3 is the more cost-effective option for basic input queries. It is approximately 60% cheaper starting at $0.4/1M tokens. However, your choice should also factor in context window limits (200k vs 200k) and supported modalities.

Technical Specifications & Pricing Table

Featureo3Claude Opus 4.6
Starting Input Price$0.4 / 1M tokens$1 / 1M tokens
Model CategoryGPTClaude
Max Context Window200k tokens200k tokens
Supported Modalitiestext, imagetext, image
Routed Channels Count6 channels20 channels

Frequently Asked Questions

Is o3 cheaper than Claude Opus 4.6?

Yes, o3 is primarily cheaper with a starting input price of $0.4/1M tokens, which is about 60% less than Claude Opus 4.6's $1/1M tokens.

Which model has a larger context window?

o3 supports a maximum input context of 200,000 tokens, while Claude Opus 4.6 supports 200,000 tokens.