Claude Opus 4.8vsOpus 4.7
Across 4 shared benchmarks, Claude Opus 4.8 leads overall: Claude Opus 4.8 wins 4, Opus 4.7 wins 0, with 0 ties and an average score difference of +3.63.
Claude Opus 4.8
Anthropic · 2026-05-28 · Reasoning model
Opus 4.7
Anthropic · 2026-04-16 · Reasoning model
Claude Opus 4.84 wins(100%)(0%)0 winsOpus 4.7
Benchmark scores
Grouped by capability, sorted by largest gap within each. 4 shared benchmarks.
Coding and Software Engineer
Claude Opus 4.8 2/2| Benchmark | Claude Opus 4.8 | Opus 4.7 | Diff |
|---|---|---|---|
| SWE-Bench Pro - Public | 69.202 / 41Extended (with tools) | 64.303 / 41Extended (with tools) | +4.90 |
| SWE-bench Verified | 88.602 / 106Extended (with tools) | 87.603 / 106Extended (with tools) | +1 |
AI Agent - Tool Usage
Claude Opus 4.8 1/1Specs
| Field | Claude Opus 4.8 | Opus 4.7 |
|---|---|---|
| Publisher | Anthropic | Anthropic |
| Release date | 2026-05-28 | 2026-04-16 |
| Model type | Reasoning model | Reasoning model |
| Architecture | Dense | Dense |
| Parameters | 0.0 | 0.0 |
| Context length | 1M | 1000K |
| Max output | 128000 | 131072 |
API pricing
Prices use DataLearner records when available; missing fields are not inferred.
| Item | Claude Opus 4.8 | Opus 4.7 |
|---|---|---|
| Text input | $5 / 1M tokens | $5 / 1M tokens |
| Text output | $25 / 1M tokens | $25 / 1M tokens |
| Cache read | $0.5 / 1M tokens | $0.5 / 1M tokens |
| Cache write | $6.25 / 1M tokens | $6.25 / 1M tokens |
Summary
- Claude Opus 4.8leads in:Coding and Software Engineer (2/2), AI Agent - Tool Usage (1/1), General Knowledge (1/1)
On average across the 4 shared benchmarks, Claude Opus 4.8 scores 3.63 higher.
Largest single-benchmark gap: OSWorld-Verified — Claude Opus 4.8 83.40 vs Opus 4.7 78 (+5.40).
Page generated from structured model, pricing and benchmark records. No real-time LLM is used to write the prose.