Claude Opus 5.5 (max) vs Claude Opus 4.8 (high)
Results updated 3 November 2026 · Both in Claude Code · How we benchmark
Verdict
Not comparable yet: Claude Opus 5.5 (max) is not yet ranked.
- Cost per task
- $0.83 vs $0.26
- Time per task
- 4.5 min (estimated) vs 0.9 min
- Tokens per attempt
- 530k vs 128k
- Image input
- Yes vs Yes
Claude Opus 5.5 (max), Claude Code scores higher on GeoBenchX, GS-QA2 and Vision agents; they are level on Earth-Bench V2. Claude Opus 4.8 (high), Claude Code is cheaper and faster: $0.26 against $0.83 per task, and 0.9 min against 4.5 min.
Not yet ranked. Claude Opus 5.5 (max), Claude Code. Not in the Agent Index, cost and time charts until it has a score on every index evaluation. Results so far are in the side-by-side table.
Where they differ most
By kind of work, share of tasks passed, 0 to 100 · Higher is better
| Kind of work | Claude Opus 5.5 (max) | Claude Opus 4.8 (high) |
|---|---|---|
| GIS analysis | 93 | 80 |
| Climate and time series | 60 | 73 |
| Spatial statistics | 50 | 38 |
| Recognising infeasible requests | 79 | 72 |
Where the tasks are set: each kind of work links to its tasks and scoresCharts for each: Claude Opus 5.5 (max), Claude Code · Claude Opus 4.8 (high), Claude Code.
Side by side
| Metric | Claude Opus 5.5 (max), Claude Code | Claude Opus 4.8 (high), Claude Code |
|---|---|---|
| Geospatial Agent Index: Text only | 79 | 76 |
| Geospatial Agent Index: Text + vision | No data | 75 |
| Earth-Bench V2 score | 71 | 71 |
| GeoBenchX score | 74 | 73 |
| GS-QA2 score | 92 | 84 |
| Vision agents score | 98 | 73 |
| GeoAgentBench score (Guided workflows; not in the Agent Index) | 100 | 96 |
| GeoAnalystBench score (Guided workflows; not in the Agent Index) | 100 | 100 |
| OGD4All score (standalone; in no index) | 95 | 97 |
| GeoNatureAgent score (standalone; in no index) | 100 | 100 |
| MultiGlobeQA score (standalone; in no index) | 76 | 75 |
| GeoAgentEval score (standalone; in no index) | 100 | 92 |
| Remote sensing and raster analysis score | 88 | 82 |
| GIS analysis score | 93 | 80 |
| Climate and time series score | 60 | 73 |
| Spatial statistics score | 50 | 38 |
| Making maps score | 77 | 82 |
| Recognising infeasible requests score | 79 | 72 |
| Cost per task | $0.83 | $0.26 |
| Time per task (at 100 output tokens/s) | 4.5 min (estimated) | 0.9 min |
| Tokens per attempt | 530k | 128k |
| Turns per attempt | 12.0 | 6.0 |
| Input price per 1M tokens | $4.00 | $5.00 |
| Output price per 1M tokens | $20.00 | $25.00 |
| Context window | 1,000,000 | 1,000,000 |
| Image input | Yes | Yes |
| Developer | Anthropic | Anthropic |
Frequently asked questions
Which scores higher on the Geospatial Agent Index, Claude Opus 5.5 (max), Claude Code or Claude Opus 4.8 (high), Claude Code?
Not comparable yet: Claude Opus 5.5 (max), Claude Code is not yet ranked.
Which is cheaper per task, Claude Opus 5.5 (max), Claude Code or Claude Opus 4.8 (high), Claude Code?
Claude Opus 4.8 (high), Claude Code, $0.26 to $0.83.
Which writes fewer output tokens per task, Claude Opus 5.5 (max), Claude Code or Claude Opus 4.8 (high), Claude Code?
Claude Opus 4.8 (high), Claude Code, 4k to 23k.
Which has the larger context window, Claude Opus 5.5 (max), Claude Code or Claude Opus 4.8 (high), Claude Code?
They are level, at 1,000,000 tokens.