OPT-66B
OPT-66B is a Meta proprietary model, released 3 May 2022. It is not yet ranked: no independent benchmark results so far, only pricing and metadata.
- Blended price
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- Output speed
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- First answer
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- Context
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- Released
- 3 May 2022
Benchmark results
One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.
Reasoning
| Benchmark | not stated | Source |
|---|---|---|
| HellaSwagnot in index | 74.5%#40 | Epoch AI Benchmarking Hub |
Maths
| Benchmark | not stated | Source |
|---|---|---|
| GSM8Knot in index | 1.8%#71 | Epoch AI Benchmarking Hub |
See also
Data as of 19 Sept 2026. Compare with another model.
Cite as: BenchLeader, “OPT-66B: benchmarks, pricing, speed and rank”, https://www.benchleader.com/models/opt-66b, data as of 19 Sept 2026.