Live technical benchmark comparing token limits, input/output API pricing, and modalities.
anthropic/claude-mythos-5
openai/gpt-5.6-sol
The primary differentiator in developer workflow design is context retention capacity. Claude Mythos 5 offers a context window of 2,000,000 tokens, while OpenAI: GPT-5.6 Sol supports up to 1,050,000 tokens.
This gives Claude Mythos 5 a substantial advantage of 2x 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, Claude Mythos 5 costs $8.00 per 1M tokens, compared to $5.00 per 1M tokens for OpenAI: GPT-5.6 Sol.
OpenAI: GPT-5.6 Sol is the more cost-effective choice for input prompts, yielding savings of 38% compared to Claude Mythos 5. Similarly, output generations are cheaper on OpenAI: GPT-5.6 Sol ($30.00 vs $32.00), representing a savings of 6% on completion tokens.
Claude Mythos 5 is better for large document parsing due to its larger context capacity of 2,000,000 tokens, enabling it to fit approximately 2x more content than OpenAI: GPT-5.6 Sol in a single prompt.
OpenAI: GPT-5.6 Sol is more budget-friendly for prompt inputs, costing $5.00 per million tokens (a saving of 38%). For output completion tokens, OpenAI: GPT-5.6 Sol is more cost-effective ($30.00 per 1M tokens).
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