OpenAI 在同一天发布ChatGPT Images 2.0生图工具时，开发环境中意外出现名为“GPT-5.5”的神秘型号，引发开发者社区震动。多位用户在Codex CLI终端界面发现该模型，Reddit用户DavidAGMM发布视频证实了这一泄露。
OpenAI内部备忘录显示，公司计划在2026年第二季度通过技术升级和生态合作全面反击竞争对手Anthropic。核心举措包括推出代号为Spud的新一代推理模型（可能为GPT-5o或GPT-5.5），直接对标Anthropic的Claude Mythos。该模型将采用英伟达Blackwell架构，旨在提升性能与竞争力。
Openai
$2.8
输入tokens/百万
$11.2
输出tokens/百万
1k
上下文长度
-
$8.75
$70
400
$1.75
$14
$0.35
Alibaba
$1.8
$5.4
16
$56
$0.7
$525
$1050
128
$3.5
$10.5
Baidu
$1
$4
64
Chatglm
$5
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