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GPT-5.5 Price Increase: What It Costs
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Overview
GPT-5.5 has seen a 2x price increase compared to GPT-5.4, with input tokens rising from $2.50/M to $5.00/M and output tokens from $15/M to $30/M. The model produces shorter completions for the same tasks, impacting overall costs for users.
Summary from openrouter.ai.
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GPT-5.5 Price Increase: What It Costs
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Hacker News · openrouter.ai
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Based on 5 sampled comments from this thread. Analyzed 2026-05-08.
- Praise: GPT-5.5 demonstrates a significant improvement in understanding user prompts, reducing the need for repeated instructions, which enhances user experience and efficiency.
- Praise: There is a perception that GPT-5.5 offers a qualitative difference compared to previous versions, indicating ongoing advancements in model capabilities.
- Praise: The model's increased token efficiency suggests potential for better performance at lower operational costs, which could benefit developers and users alike.
- Concern: Some users feel that recent iterations of LLMs, including GPT-5.5, have not provided a substantial qualitative leap, raising concerns about a potential bottleneck in AI development.
- Concern: The rising costs associated with using GPT-5.5, despite improvements, may deter users who are already satisfied with previous models like Opus 4.5.
- Concern: There are concerns about the subjective nature of quality assessments, making it difficult to accurately gauge improvements across different models.