AI・テクノロジー
The Age of AI-Written Code: Abandoned Projects Come Back to Life
機械翻訳 / Machine-translated
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機械翻訳 / Machine-translated
On April 23, 2026, OpenAI announced GPT-5.5. The most notable highlight is a dramatic improvement in coding capabilities. The company stated that "GPT-5.5 has superior coding, computer operation, and deep research capabilities," with a gradual rollout to ChatGPT paid users and the coding assistant Codex.
That same week, Anthropic also announced improvements to software engineering and long-running coding tasks with Claude Opus 4.7 (announced April 16). As the AI giants compete over coding capabilities simultaneously, the possibilities for individual developers are expanding rapidly.
GPT-5.5 recorded a score of 85% on the ARC-AGI-2 benchmark, and API pricing dropped significantly from the previous generation to $5 per million input tokens. This has created an environment where individuals can easily access advanced AI coding assistance.
Meanwhile, Claude Opus 4.7 comes equipped with a 1M context window and high-resolution vision (2,576px), giving it the ability to understand an entire complex codebase at once and generate code from visual designs.
Even more noteworthy is the fact that OpenAI introduced Workspace Agents — shared agents that continue executing complex tasks even when users are offline. This means AI has become a "partner that works around the clock."
For those who gave up because "programming is too hard," this change is significant.
Traditionally, writing code meant long hours of study and trial and error. But AI coding tools in 2026 can, with just a natural-language instruction, generate executable code, automatically fix errors, and even run tests.
For example, if you want to build a customer management app, you can instruct GPT-5.5 or Claude Opus 4.7 and receive a working prototype — from database design to the frontend — within hours. Work that used to take weeks can now be completed in under a day through dialogue with AI.
Moreover, as AI competition has intensified, individuals now have more options. OpenAI, Anthropic, Google, and Meta each offer models with different strengths, allowing users to choose based on their needs. For coding, GPT-5.5 or Claude; for visual generation, other tools — and so on.
In fact, according to search results, there are reports that "a single creator can now compete with a small studio using AI tools." This is a shift happening not just in development, but across all creative fields — design, music, video editing, and more.
2026 is also the year when commoditization of AI side hustles kicks into full gear. As we enter an era where "anyone can make something similar," the focus has shifted to how to turn AI into real, tangible results.
What matters here is the systematic acquisition of AI utilization skills, as exemplified by HAIIA's certification program. The key to differentiation lies not just in using AI tools, but in how you combine them and leverage them to your own strengths.
Viewed through the lens of "self-realization" as advocated by HAIIA's three pillars, AI is a partner that brings abandoned dreams back to life. More and more people who once thought "development is beyond me" are now building apps through dialogue with AI and generating income from side projects.
Experiencing this change is simple.
That's all it takes to experience "developing alongside AI." If an error appears, just paste the error message into the AI and say "fix this."
If you feel like you want to learn more seriously, joining the HAIIA community through the community page is one option. You can systematically build AI utilization skills and sharpen yourself alongside others who share the same goals.
Projects you once gave up on come back to life through dialogue with AI. April 23, 2026, may be remembered as the turning point.
Both are excellent for coding tasks, but GPT-5.5 has the edge in API pricing ($5 per million input tokens), while Claude Opus 4.7 shines with its 1M context window for understanding large codebases all at once. The smart choice is to use each according to your needs.
Yes. You simply give instructions in natural language, and the AI generates code and fixes errors for you. That said, maintaining an attitude of understanding the intent behind generated code is important. AI is a partner, not a tool to offload everything to.
Available with ChatGPT Plus ($20/month) or Claude Pro ($20/month). When using the API directly, GPT-5.5 costs $5 per million input tokens, and Claude Opus 4.7 is priced similarly. For individual development, a few to a few dozen dollars per month is more than enough.
This article is republished from HAIIA Notes.