Claude 4.5 Haiku (Reasoning) vs GPT-6.1 Terra (Medium)
Which is better for the money: Claude 4.5 Haiku (Reasoning) by Anthropic or GPT-6.1 Terra (Medium) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-27.
Clear winner
Verdict
Pick GPT-6.1 Terra (Medium)
GPT-6.1 Terra (Medium) vs Claude 4.5 Haiku (Reasoning): 144.4% more intelligence, 68.0% less cost to run the AA benchmark, and 70.7% faster end-to-end.
| Metric | Claude 4.5 Haiku (Reasoning) | GPT-6.1 Terra (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 16.9 | 41.3 | +144.4% GPT-6.1 Terra (Medium) is 2.4× more intelligent |
| Total AA cost (lower is better) | $546.96 | $175.20 | −68.0% GPT-6.1 Terra (Medium) is 68.0% cheaper |
| End-to-end time (lower is better) | 23.65s | 6.93s | −70.7% GPT-6.1 Terra (Medium) is 70.7% faster |
| Price per 1M tokens (in / out) | $1.00 / $5.00 | $1.00 / $5.00 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- Claude 4.5 Haiku (Reasoning) is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
- GPT-6.1 Terra (Medium) is on today's frontier: nothing is both smarter and cheaper.
Claude 4.5 Haiku (Reasoning)GPT-6.1 Terra (Medium)Today's Pareto frontierEvery other model
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