Live technical benchmark comparing token limits, input/output API pricing, and modalities.
anthropic/claude-mythos-5
openai/gpt-4o
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-4o supports up to 128,000 tokens.
This gives Claude Mythos 5 a substantial advantage of 16x 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 $2.50 per 1M tokens for OpenAI: GPT-4o.
OpenAI: GPT-4o is the more cost-effective choice for input prompts, yielding savings of 69% compared to Claude Mythos 5. Similarly, output generations are cheaper on OpenAI: GPT-4o ($10.00 vs $32.00), representing a savings of 69% 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 16x more content than OpenAI: GPT-4o in a single prompt.
OpenAI: GPT-4o is more budget-friendly for prompt inputs, costing $2.50 per million tokens (a saving of 69%). For output completion tokens, OpenAI: GPT-4o is more cost-effective ($10.00 per 1M tokens).
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