AnthropicClaude 1.3
Claude 1.3 is an Anthropic proprietary model, released 18 Apr 2023. 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
- 18 Apr 2023
Versions
Anthropic has shipped 6 models under this name. Each is ranked on its own results; a newer version often has fewer results so far, which holds its index nearer the average until more arrive.
| Model | Released | Index | Rank |
|---|---|---|---|
| Claude 4.7low | 16 Apr 2026 | – | – |
| Claude 3.7 | 24 Feb 2025 | – | – |
| Claude 2.1 | 21 Nov 2023 | – | – |
| Claude 2 | 11 Jul 2023 | – | – |
| Claude 1.3this page | 18 Apr 2023 | – | – |
| Claude 2 | – | – | – |
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.
Knowledge
| Benchmark | not stated | Source |
|---|---|---|
| MMLUnot in index | 77.0%#32 | Epoch AI Benchmarking Hub |
| TriviaQAnot in index | 86.7%#3 | Epoch AI Benchmarking Hub |
See also
Data as of 19 Sept 2026. Compare with another model.
Cite as: BenchLeader, “Claude 1.3: benchmarks, pricing, speed and rank”, https://www.benchleader.com/models/claude-1-3, data as of 19 Sept 2026.