CodePanel

Claude Opus 4.6

Claude Opus 4.6 specifications
MakerAnthropic
FamilyClaude Opus
Released2026-02-05
Context1M
Max output128K
Claude Opus 4.6 specifications
Open weightsClosed
Modalitiestext, image, pdf → text
Input / 1M$5.00
Output / 1M$25.00
Cached input / 1M$0.50
Claude Opus 4.6 specifications
Review call$0.1915
Reasoning effortslow, medium, high, max
HostsAnthropic, OpenRouter
Model idclaude-opus-4-6
Newer versionClaude Opus 5

Benchmark status

CodePanel's benchmark has not run Claude Opus 4.6 as a pull-request reviewer yet, so this page has no recall, false-alarm or measured-cost figures for it. The methodology explains how ranked models are scored.

The newest ranked model in the Claude Opus line is Claude Opus 5.5. It caught 90% [81%–97%] of the known bugs at rank 1 of 17, with a measured review cost of $0.1525. At list price, a typical review call (26.2K tokens in and 2.4K out) costs $0.1915 on Claude Opus 4.6 and $0.1532 on Claude Opus 5.5, so this model's call is 25% more than that one's.

Pricing

Claude Opus 4.6 price by host
HostModel idInput / 1MOutput / 1M
Anthropicclaude-opus-4-6$5.00$25.00

Source: Anthropic pricing, Oct 16, 2026

Other benchmarks

Claude Opus 4.6 on outside benchmarks
BenchmarkScoreRangeSettingSourceDate
Arena WebDev1547 Arena rating1541 to 1552HighLMArena CC BY 4.0Oct 16, 2026
Epoch Capabilities Index155 ECI154 to 157–Epoch AI CC BY 4.0Feb 5, 2026
Claude Opus versions
VersionReleasedInput / 1MOutput / 1MContextRankBugs caught
Claude Opus 5.52026-09-22$4.00$20.001M#190%
Claude Opus 52026-07-24$5.00$25.001M––
Claude Opus 4.82026-05-28$5.00$25.001M––
Claude Opus 4.72026-04-16$5.00$25.001M––

Similar models

Same as on Claude Opus 5.

Updated Oct 23, 2026