Claude Opus 4.8 in OffloopWork through the whole codebase.
Use Claude Opus 4.8 in Offloop for complex engineering and multi-step investigation.
A brief to try · Example
Plan a codebase migration
Map this migration across the repository. Identify dependency order, compatibility requirements and a reversible rollout.
Choose in your agent settings: Claude Opus
Where Claude Opus 4.8 fits
Our pick for repository changes that need careful reasoning about dependencies and compatibility.
01
Plan a codebase migration
Anthropic describes improvements on large engineering tasks.
02
Review a complex patch
Repository benchmarks support trying it on reasoning across connected files.
03
Investigate a multi-step failure
Useful when several tools or services contribute to the outcome.
Our editorial assessment · This is Opus 4.8, not Opus 5 or 5.5. Large changes still need explicit scope, review and validation.
Read the capability source ↗Watch a real evaluation
A creator review covering benchmark results, effort controls and Claude Code workflows. Claude Code features shown here are not promises about Offloop.
Benjamín Cordero · Independent creator · External setup, not Offloop
Published evaluations
Selected results for Claude Opus 4.8. Source checked November 5, 2026; these are not Offloop measurements.
SWE-bench Pro · max
69.2%
Opus 4.8 comparison value reproduced in the Grok 4.5 launch table.
Terminal-Bench 2.1 · max
78.9%
Provider-reported comparison; harnesses differ.
SWE Marathon · max
26.0%
Pass@1 resolution rate in the same launch comparison.
Different task sets, model snapshots and harnesses are not directly comparable. Scores are evidence for a trial, not a guarantee of your result.
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