Claude Haiku 4.5 (JP) vs GPT-4o
2026 Stored listed rates & illustrative token-cost comparison
GPT-4o
Deprecated
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Illustrative Listed-Rate Difference
Claude Haiku 4.5 (JP) about 51% lower
1M input + 200K output tokens; not a monthly bill
📌 Executive Summary (TL;DR):Under a standard baseline of 1M input + 200K output tokens, Claude Haiku 4.5 (JP) lists approximately 51% lower than GPT-4o. For high-throughput production workloads, Claude Haiku 4.5 (JP) 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 Haiku 4.5 (JP) listed rate totals ~$22.00, while GPT-4o totals ~$45.00. Switching to Claude Haiku 4.5 (JP) yields ~$23.00/mo in raw token savings.
Metric
Claude Haiku 4.5 (JP) (AWS Bedrock)
GPT-4o (OpenAI)
Input listed rate
$1.10 / 1M Tokens
$2.50 / 1M Tokens
Output listed rate
$5.50 / 1M Tokens
$10.00 / 1M Tokens
Cached Input rate
$0.11 / 1M Tokens
$1.25 / 1M Tokens
Context Window
200K Tokens
128K Tokens
Modality
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