| Claude Code | GPT-5.5 | |
|---|---|---|
| arenaElo | 1420 | 1432 |
| humanEval | 93.1 | 94.2 |
| sweBench | 64.3 | 66 |
| mmlu | 92.3 | 93 |
| gpqa | 65.2 | 68.7 |
| aime | 88 | 92 |
| Price in/out ($/M) | $15 / $75 | $5 / $30 |
GPT-5.5 is the model you embed inside your SaaS features. Claude Code is the agent that writes the SaaS itself. They are complementary, use Claude Code during the build phase to ship production code, then wire GPT-5.5 into the runtime for end-user multimodal experiences.