Why does Claude Instant have no BenchLeader Index score?

The index needs at least five independent results across at least two categories; as of 25 Oct 2026 Claude Instant has 1 that count. Launch-post scores are never used, so it is ranked once independent publishers have measured it.

When was Claude Instant released?

Anthropic released Claude Instant on 14 Mar 2023.

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Claude Instant

Claude Instant is an Anthropic proprietary model, released 14 Mar 2023. It is not yet ranked: 1 independent result so far, and the index needs at least five across two categories. Last measured 14 Mar 2023.stale: no new result in six months

Blended price: –
Output speed: –
First answer: –
Context: 100k
Full answer: –
Cost per run: –
Released: 14 Mar 2023

How it scores by categoryDashed line = average model (50). One step of 15 = one standard deviation.

Composite35

Versions

Anthropic has shipped 3 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 Instant 1.1	9 Aug 2023	–	–
Claude Instant 1.2	9 Aug 2023	–	–
Claude Instantthis page	14 Mar 2023	–	–

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	Trend
GPQA Diamond (AA)not in index	33.0%#506	Artificial Analysis
Humanity's Last Exam (AA)not in index	3.5%#591	Artificial Analysis

Composite

Benchmark	not stated	Source	Trend
Epoch Capabilities Indexnot in index	120.2#173	Epoch AI Benchmarking Hub
AA Intelligence Index v4.3.2	5.0#607	Artificial Analysis

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Questions people ask

Why does Claude Instant have no BenchLeader Index score?: The index needs at least five independent results across at least two categories; as of 25 Oct 2026 Claude Instant has 1 that count. Launch-post scores are never used, so it is ranked once independent publishers have measured it.
When was Claude Instant released?: Anthropic released Claude Instant on 14 Mar 2023.

Data as of 25 Oct 2026. Compare with another model.

Cite as: BenchLeader, “Claude Instant: benchmarks, pricing, speed and rank”, data as of 25 Oct 2026, https://www.benchleader.com/models/claude-instant.