Live technical benchmark comparing token limits, input/output API pricing, and modalities.
anthropic/claude-sonnet-5
openai/gpt-5.6-sol
The primary differentiator in developer workflow design is context retention capacity. Anthropic: Claude Sonnet 5 offers a context window of 1,000,000 tokens, while OpenAI: GPT-5.6 Sol supports up to 1,050,000 tokens.
This gives OpenAI: GPT-5.6 Sol a substantial advantage of 1x larger prompt processing capacity, making it the ideal choice for loading massive codebases, long runbooks, or extensive research data.
Evaluating pricing metrics is critical for running high-frequency background cron workflows.For input queries, Anthropic: Claude Sonnet 5 costs $2.00 per 1M tokens, compared to $5.00 per 1M tokens for OpenAI: GPT-5.6 Sol.
Anthropic: Claude Sonnet 5 is the more cost-effective choice for input prompts, yielding savings of 60% compared to OpenAI: GPT-5.6 Sol. Similarly, output generations are cheaper on Anthropic: Claude Sonnet 5 ($10.00 vs $30.00), representing a savings of 67% on completion tokens.
OpenAI: GPT-5.6 Sol is better for large document parsing due to its larger context capacity of 1,050,000 tokens, enabling it to fit approximately 1x more content than Anthropic: Claude Sonnet 5 in a single prompt.
Anthropic: Claude Sonnet 5 is more budget-friendly for prompt inputs, costing $2.00 per million tokens (a saving of 60%). For output completion tokens, Anthropic: Claude Sonnet 5 is more cost-effective ($10.00 per 1M tokens).
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