Which scores higher on the Geospatial Agent Index, Terminus-2 – Gemini 3.1 Pro (preview) (low) or Claude Code – Claude Sonnet 5.5 (xhigh)?

Claude Code – Claude Sonnet 5.5 (xhigh), at 74 against 65 for Terminus-2 – Gemini 3.1 Pro (preview) (low). Terminus-2 – Gemini 3.1 Pro (preview) (low): 870 of 870 planned attempts (22 excluded). Claude Code – Claude Sonnet 5.5 (xhigh): 290 of 290 planned attempts.

Which is cheaper per task, Terminus-2 – Gemini 3.1 Pro (preview) (low) or Claude Code – Claude Sonnet 5.5 (xhigh)?

Terminus-2 – Gemini 3.1 Pro (preview) (low), at $0.061 against $0.163 for Claude Code – Claude Sonnet 5.5 (xhigh).

Which is faster per task, Terminus-2 – Gemini 3.1 Pro (preview) (low) or Claude Code – Claude Sonnet 5.5 (xhigh)?

Terminus-2 – Gemini 3.1 Pro (preview) (low), at 1.0 min against 1.4 min for Claude Code – Claude Sonnet 5.5 (xhigh).

Which has the larger context window, Terminus-2 – Gemini 3.1 Pro (preview) (low) or Claude Code – Claude Sonnet 5.5 (xhigh)?

Not known yet: Claude Code – Claude Sonnet 5.5 (xhigh) has no context window data.

Terminus-2 – Gemini 3.1 Pro (preview) (low) vs. Claude Code – Claude Sonnet 5.5 (xhigh): geospatial agent comparison

Comparison between Terminus-2 – Gemini 3.1 Pro (preview) (low) and Claude Code – Claude Sonnet 5.5 (xhigh) on the Geospatial Agent Index, each benchmark, cost, time and token use, from the same tasks, agent and limits. Methodology.

Side by side

Terminus-2 – Gemini 3.1 Pro (preview) (low) vs. Claude Code – Claude Sonnet 5.5 (xhigh)
Metric	Terminus-2 – Gemini 3.1 Pro (preview) (low)	Claude Code – Claude Sonnet 5.5 (xhigh)
Geospatial Agent Index	65 (attempts per task: 3)	74 (attempts per task: 1)
GeoAgentBench score	83	94
GeoBenchX score	61	65
Earth-Bench score	42	48
GeoAnalystBench score	75	89
Raster and remote sensing score	58	71
Vector and overlay score	69	67
Networks and routing score	93	100
Climate and time series score	67	71
Spatial statistics and interpolation score	51	58
Mapping and cartography score	55	75
Recognising infeasible requests score	71	63
Cost per task	$0.061	$0.163
Time per task	1.0 min	1.4 min
Tokens per attempt	19k	217k
Turns per attempt	3.8	7.9
Attempts decided	870	290
Input price per 1M tokens	$2.00	$2.00
Output price per 1M tokens	$12.00	$10.00
Context window	1,048,576	No data
Image input	Yes	No data
Developer	Google	Anthropic

Charts

Geospatial Agent Index

Equal-weight average of the evaluation scores, 0 to 100 · Higher is better

Data table: Geospatial Agent Index

Geospatial Agent Index
Model	Creator	Geospatial Agent Index	Range while attempts are pending	Benchmarks covered	Coverage (attempts)
Claude Code – Claude Sonnet 5.5 (xhigh)	Anthropic	74 (attempts per task: 1)	No pending judgements	4 of 4	290 of 290 planned attempts
Terminus-2 – Gemini 3.1 Pro (preview) (low)	Google	65 (attempts per task: 3)	No pending judgements	4 of 4	870 of 870 planned attempts (22 excluded)

Cost per task

Average cost per task (USD) · Lower is better

Data table: Cost per task

Cost per task
Model	Creator	Cost per task	Coverage (attempts)
Terminus-2 – Gemini 3.1 Pro (preview) (low)	Google	$0.061	870 of 870 planned attempts (22 excluded)
Claude Code – Claude Sonnet 5.5 (xhigh)	Anthropic	$0.163	290 of 290 planned attempts

Time per task

Average agent wall time per task · Lower is better

Data table: Time per task

Time per task
Model	Creator	Time per task	Coverage (attempts)
Terminus-2 – Gemini 3.1 Pro (preview) (low)	Google	1.0 min	870 of 870 planned attempts (22 excluded)
Claude Code – Claude Sonnet 5.5 (xhigh)	Anthropic	1.4 min	290 of 290 planned attempts

Frequently asked questions

Which scores higher on the Geospatial Agent Index, Terminus-2 – Gemini 3.1 Pro (preview) (low) or Claude Code – Claude Sonnet 5.5 (xhigh)?: Claude Code – Claude Sonnet 5.5 (xhigh), at 74 against 65 for Terminus-2 – Gemini 3.1 Pro (preview) (low). Terminus-2 – Gemini 3.1 Pro (preview) (low): 870 of 870 planned attempts (22 excluded). Claude Code – Claude Sonnet 5.5 (xhigh): 290 of 290 planned attempts.
Which is cheaper per task, Terminus-2 – Gemini 3.1 Pro (preview) (low) or Claude Code – Claude Sonnet 5.5 (xhigh)?: Terminus-2 – Gemini 3.1 Pro (preview) (low), at $0.061 against $0.163 for Claude Code – Claude Sonnet 5.5 (xhigh).
Which is faster per task, Terminus-2 – Gemini 3.1 Pro (preview) (low) or Claude Code – Claude Sonnet 5.5 (xhigh)?: Terminus-2 – Gemini 3.1 Pro (preview) (low), at 1.0 min against 1.4 min for Claude Code – Claude Sonnet 5.5 (xhigh).
Which has the larger context window, Terminus-2 – Gemini 3.1 Pro (preview) (low) or Claude Code – Claude Sonnet 5.5 (xhigh)?: Not known yet: Claude Code – Claude Sonnet 5.5 (xhigh) has no context window data.

More: Terminus-2 – Gemini 3.1 Pro (preview) (low) · Claude Code – Claude Sonnet 5.5 (xhigh) · all comparisons