Claude Opus 4.8vsOpus 4.7
Across 14 shared benchmarks, Claude Opus 4.8 leads overall: Claude Opus 4.8 wins 11, Opus 4.7 wins 3, with 0 ties and an average score difference of +3.28.
Claude Opus 4.8
Anthropic · 2026-05-28 · Reasoning model
Opus 4.7
Anthropic · 2026-04-16 · Reasoning model
Claude Opus 4.811 wins(79%)(21%)3 winsOpus 4.7
Benchmark scores
Grouped by capability, sorted by largest gap within each. 14 shared benchmarks.
Coding and Software Engineer
Even 4/4| Benchmark | Claude Opus 4.8 | Opus 4.7 | Diff |
|---|---|---|---|
| Text Arena (Coding) | 1,5459 / 35Normal (No Tools) | 1,5627 / 35Normal (No Tools) | -17.34 |
| WeirdML v2 | 70.4518 / 52Normal (With Tools) | 76.4013 / 52Normal (With Tools) | -5.95 |
| SWE-Bench Pro - Public | 69.204 / 57Extended (with tools) | 64.308 / 57Extended (with tools) | +4.90 |
| SWE-bench Verified | 88.605 / 114Extended (with tools) | 87.606 / 114Extended (with tools) | +1 |
AI Agent - Tool Usage
Claude Opus 4.8 3/3| Benchmark | Claude Opus 4.8 | Opus 4.7 | Diff |
|---|---|---|---|
| Terminal-Bench 2.1 | 78.9020 / 44Thinking High (With Tools) | 69.7032 / 44Thinking High (With Tools) | +9.20 |
| OSWorld-Verified | 83.404 / 26Extended (with tools) | 7811 / 26Extended (with tools) | +5.40 |
| MCP-Atlas | 82.206 / 38Deep Thinking (With Tools) | 79.109 / 38Deep Thinking (With Tools) | +3.10 |
General Knowledge
Claude Opus 4.8 2/2| Benchmark | Claude Opus 4.8 | Opus 4.7 | Diff |
|---|---|---|---|
| HLE | 57.908 / 181Extended (with tools) | 54.7015 / 181Extended (with tools) | +3.20 |
| LiveBench | 78.794 / 115Deep Thinking (No Tools) | 76.917 / 115Deep Thinking (No Tools) | +1.88 |
Math and Reasoning
Claude Opus 4.8 2/2| Benchmark | Claude Opus 4.8 | Opus 4.7 | Diff |
|---|---|---|---|
| FrontierMath Tier 4 v2 | 56.109 / 34最高（无工具） | 31.7114 / 34最高（无工具） | +24.39 |
| FrontierMath v2 | 809 / 34最高（无工具） | 70.1814 / 34最高（无工具） | +9.82 |
AI Agent - Information Search
Claude Opus 4.8 1/1| Benchmark | Claude Opus 4.8 | Opus 4.7 | Diff |
|---|---|---|---|
| BrowseComp | 84.309 / 54Thinking High (With Tools + Internet) | 79.3017 / 54Extended (with tools) | +5 |
Commonsense Reasoning
Claude Opus 4.8 1/1| Benchmark | Claude Opus 4.8 | Opus 4.7 | Diff |
|---|---|---|---|
| SimpleBench | 64.8010 / 67Normal (No Tools) | 62.9012 / 67Normal (No Tools) | +1.90 |
General Evaluation
Opus 4.7 1/1| Benchmark | Claude Opus 4.8 | Opus 4.7 | Diff |
|---|---|---|---|
| GPQA Diamond | 93.6011 / 226Thinking High (No Tools) | 94.205 / 226Extended (no tools) | -0.60 |
Specs
| 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 | Not available | Not available |
| Context length | 1M | 1000K |
| Max output | 125K | 128K |
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:AI Agent - Tool Usage (3/3), General Knowledge (2/2), Math and Reasoning (2/2), AI Agent - Information Search (1/1), Commonsense Reasoning (1/1)
- Opus 4.7leads in:General Evaluation (1/1)
- Tied in:Coding and Software Engineer
On average across the 14 shared benchmarks, Claude Opus 4.8 scores 3.28 higher.
Largest single-benchmark gap: FrontierMath Tier 4 v2 — Claude Opus 4.8 56.10 vs Opus 4.7 31.71 (+24.39).
Page generated from structured model, pricing and benchmark records. No real-time LLM is used to write the prose.