Anthropic

Claude Opus 4.7

Announced Apr 16, 2026

Coding, vision and complex tasks

What could it do?

Anthropic reported improved consistency across coding and professional work.

What changed?

Extended Opus capabilities.

WHY IT MATTERED

Focused on more thorough execution.

Where it fell short

Developer reported progress, not universal reliability.

Sources checked Oct 7, 2026

Release facts were checked against the sources below. Performance claims belong to the developers; we have not independently tested these models.

Developer announcement or release log

Benchmark results

EPOCH AI CAPABILITY ESTIMATE

156.3index points

Tested variant: Claude Opus 4.7Source interval: 154.4 to 158.4Variant date in source: Apr 16, 2026

A benchmark estimate, not a percentage or capability multiplier. Reasoning settings are not specified in this source table. Historical estimates can change in later snapshots.

Epoch AI methodology ↗Download the source snapshotChecked Oct 7, 2026 · CC BY 4.0

PUBLISHED BENCHMARK RESULT

1501rating points

Tested: claude-opus-4-7-highText Arena Overall · October 8, 2026Reported interval: 1497 to 150565,192 votes

One explicitly named variant per release. Scores come from the same Overall snapshot; preliminary entries and reported intervals are preserved. These are current ratings of earlier variants, not their launch day ratings.

Source: Text Arena ↗Download selected resultsChecked Oct 8, 2026

Understand the benchmarks Find this release on the chart