We analyzed GPT 5.5 vs GPT 5.4 and found that costs increased between 49-92%
TL;DR · AI Summary
OpenRouter found that while GPT-5.5's price doubled compared to GPT-5.4, its cost increase was mitigated by generating 19-34% fewer completion tokens on long prompts, resulting in a net cost rise of 49-92%.
Key Takeaways
- GPT-5.5's price doubled vs GPT-5.4, but net cost increased only 49-92%.
- GPT-5.5 generates 19-34% fewer completion tokens on long prompts, improving effi
- Model efficiency gains are now key to offsetting rising API pricing.
Outline
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GPT-5.5价格翻倍，但实际成本增幅为49%-92%，因生成令牌减少。
模型在长提示下生成完成令牌减少19%-34%，降低总体资源消耗。
数据来自OpenRouter的内部分析，未公开完整测试方法。
Mindmap
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查看大纲文本（无障碍 / 无 JS 友好）
- GPT-5.5成本与效率分析
- 价格变化
- 较GPT-5.4翻倍
- 效率补偿
- 完成令牌减少19-34%
- 长提示场景优化
- 成本净增幅
- 49-92%
Highlights
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The 2x price hike of GPT 5.5 is mitigated by the model generating 19-34% fewer completion tokens for longer prompts.
We analyzed GPT 5.5 vs GPT 5.4 and found that costs increased between 49-92%.
GPT-5.5的效率提升正在改变API成本结构，不再单纯依赖降价竞争。
The 2x price hike of GPT 5.5 is mitigated by the model generating 19-34% fewer completion tokens for longer prompts.
More analysis here: https://t.co/neqlaSq11X https://t.co/zw3NlIHYwv" / X
Don’t miss what’s happening
We analyzed GPT 5.5 vs GPT 5.4 and found that costs increased between 49-92%. The 2x price hike of GPT 5.5 is mitigated by the model generating 19-34% fewer completion tokens for longer prompts. More analysis here: openrouter.ai/announcements/
