Anthropic: Claude Haiku 5.5 vs OpenAI: GPT-5.6 Terra
anthropic vs openai
On price, Anthropic: Claude Haiku 5.5 is cheaper (blended cost is about 0.04× that of OpenAI: GPT-5.6 Terra).
On capability, Anthropic: Claude Haiku 5.5 has the higher intelligence index (43) — better for complex reasoning.
Verdict: pick Anthropic: Claude Haiku 5.5 on a budget, or Anthropic: Claude Haiku 5.5 for output quality. Full details below.
Side-by-Side Specs
| Metric | Anthropic: Claude Haiku 5.5 | OpenAI: GPT-5.6 Terra |
|---|---|---|
| Input /1M | $0.10 | $2.00 |
| Output /1M | $0.50 | $12.00 |
| Blended (3:1) | $0.20 | $4.50 |
| Context | 1.0M | 1.1M |
| Intelligence | 43 | 42 |
| Coding | — | 77 |
| Math | — | — |
| Speed | 241 tok/s | 126 tok/s |
| CPS Grade | A | A |
FAQ
Which is cheaper, Anthropic: Claude Haiku 5.5 or OpenAI: GPT-5.6 Terra?
On price, Anthropic: Claude Haiku 5.5 is cheaper (blended cost is about 0.04× that of OpenAI: GPT-5.6 Terra). Anthropic: Claude Haiku 5.5: $0.1 in / $0.5 out; OpenAI: GPT-5.6 Terra: $2 in / $12 out (per 1M tokens).
Which is smarter, Anthropic: Claude Haiku 5.5 or OpenAI: GPT-5.6 Terra?
On capability, Anthropic: Claude Haiku 5.5 has the higher intelligence index (43) — better for complex reasoning. Coding index: Anthropic: Claude Haiku 5.5 — vs OpenAI: GPT-5.6 Terra 77.
Which one should I choose?
Verdict: pick Anthropic: Claude Haiku 5.5 on a budget, or Anthropic: Claude Haiku 5.5 for output quality. Full details below.