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Claude Opus 4.8 vs GPT-4o
2026 Stored listed rates & illustrative token-cost comparison
GPT-4o
Deprecated
Deprecated endpoints may still be callable. Migrate before retirement.
Illustrative Listed-Rate Difference
GPT-4o about 55% lower
1M input + 200K output tokens; not a monthly bill
📌 Executive Summary (TL;DR):Under a standard baseline of 1M input + 200K output tokens, GPT-4o lists approximately 55% lower than Claude Opus 4.8. For high-throughput production workloads, GPT-4o delivers superior unit economics; model your specific monthly workload below before migrating.
💡 10M Monthly Token Workload Simulation
Simulating a production workload (10M input + 2M output tokens): Claude Opus 4.8 listed rate totals ~$100.00, while GPT-4o totals ~$45.00. Switching to GPT-4o yields ~$55.00/mo in raw token savings.
Metric
Claude Opus 4.8 (openrouter)
GPT-4o (OpenAI)
Input listed rate
$5.00 / 1M Tokens
$2.50 / 1M Tokens
Output listed rate
$25.00 / 1M Tokens
$10.00 / 1M Tokens
Cached Input rate
$0.50 / 1M Tokens
$1.25 / 1M Tokens
Context Window
1000K Tokens
128K Tokens
Modality
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