Model comparison
Claude 2.1 vs Claude Instant
Claude 2.1 has enough public results to be ranked (#345); Claude Instant does not yet, so treat this comparison as directional.
Last verified . 3 shared benchmarks.
Summary
- They share 3 benchmarks with published results for both. Claude 2.1 scores higher in 1 category and Claude Instant in 0 categories; one gap is clear of the uncertainty.
- The biggest single-benchmark swing is DTBench: 51% for Claude 2.1 and 45.8% for Claude Instant.
Side by side
| Claude 2.1 | Claude Instant | |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Noometry Index | 25.2 | 29.5 |
| Released | 2023-11-21 | 2023-08-09 |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 7 | 7 |
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Category by category
Coding Not comparable
Claude 2.1: 26.2 (#327), Claude Instant: —
| Benchmark | Claude 2.1 | Claude Instant |
|---|---|---|
| WeirdML | 7.1% | — |
| HumanEval+ | — | 50.6% |
Reasoning Claude 2.1 leads
Claude 2.1: 21.4 (#221), Claude Instant: 19.6
| Benchmark | Claude 2.1 | Claude Instant |
|---|---|---|
| DTBench | 51% | 45.8% |
| Epoch Capabilities Index | 119.27 | 120.28 |
| ForecastBench | 54.2 | — |
Math Not comparable
Claude 2.1: 10.2 (#315), Claude Instant: —
| Benchmark | Claude 2.1 | Claude Instant |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.9% | — |
| GSM8K | — | 86.7% |
Knowledge Not comparable
Claude 2.1: 15.4 (#292), Claude Instant: —
| Benchmark | Claude 2.1 | Claude Instant |
|---|---|---|
| MMLU | 73.5% | 73.4% |
| GPQA Diamond | 33% | — |
| ARC (AI2) Challenge | — | 86.3% |
| TriviaQA | — | 78.9% |
Frequently asked questions
Is Claude 2.1 better than Claude Instant?
Claude 2.1 has enough public results to be ranked (#345); Claude Instant does not yet, so treat this comparison as directional.
How many benchmarks do Claude 2.1 and Claude Instant share?
3 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and Claude Instant has 7.