MetaOPT-66B
As of 6 Nov 2026, OPT-66B by Meta is not yet ranked on the BenchLeader Index, which needs at least five independent results across two categories. Released 3 May 2022.
Key facts (as of 6 Nov 2026)
- OPT-66B was released on 3 May 2022 (Meta).
In detail. OPT-66B is a Meta 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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- Full answer
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- Cost per task
- –
- Tokens per task
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- Released
- 3 May 2022
Benchmark results
See all LLM benchmarks. 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%#70 | Epoch AI Benchmarking Hub |
See also
Questions people ask
- Why does OPT-66B have no BenchLeader Index score?
- The index needs at least five independent results across at least two categories, and as of 6 Nov 2026 OPT-66B does not have them yet. Launch-post scores are never used, so it is ranked once independent publishers have measured it.
- When was OPT-66B released?
- Meta released OPT-66B on 3 May 2022.
Data as of 6 Nov 2026. Compare with another model.
Cite as: BenchLeader, “OPT-66B: benchmarks, pricing, speed and rank”, data as of 6 Nov 2026, https://www.benchleader.com/models/opt-66b.