Axis Spatial

Terminus-2 – Gemini 3.8 Flash (low) vs. Claude Code – Claude Sonnet 5.5 (medium): geospatial agent comparison

Comparison between Terminus-2 – Gemini 3.8 Flash (low) and Claude Code – Claude Sonnet 5.5 (medium) 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 3.8 Flash (low) vs. Claude Code – Claude Sonnet 5.5 (medium)
MetricTerminus-2 – Gemini 3.8 Flash (low)Claude Code – Claude Sonnet 5.5 (medium)
Geospatial Agent Index64* (attempts per task: 2.9)65* (attempts per task: 4)
GeoAgentBench score9696
GeoBenchX score6160
Earth-Bench score376
GeoAnalystBench score6398
Raster and remote sensing score6244
Vector and overlay score6385
Networks and routing score100100
Climate and time series score5119
Spatial statistics and interpolation score4342
Mapping and cartography score5374
Recognising infeasible requests score8360
Cost per task$0.115$0.052
Time per task2.7 min0.6 min
Tokens per attempt314k80k
Turns per attempt17.94.2
Attempts decided833951
Input price per 1M tokens$0.75$2.00
Output price per 1M tokens$3.75$10.00
Context window1,048,576No data
Image inputYesNo data
DeveloperGoogleAnthropic

Charts

Geospatial Agent Index

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

  • Partial coverage
Geospatial Agent IndexClaude Code – Claude Sonnet 5.5 (medium): 65* (partial coverage); Terminus-2 – Gemini 3.8 Flash (low): 64* (partial coverage)025507510065*Claude Sonnet 5.5 (medium)64*Gemini 3.8 Flash (low)
Data table: Geospatial Agent Index
Geospatial Agent Index
ModelCreatorGeospatial Agent IndexRange while attempts are pendingBenchmarks coveredCoverage (attempts)
Claude Code – Claude Sonnet 5.5 (medium)Anthropic65* (attempts per task: 4)65 to 774 of 4951 of 1,167 planned attempts
Terminus-2 – Gemini 3.8 Flash (low)Google64* (attempts per task: 2.9)No pending judgements; coverage incomplete4 of 4833 of 1,167 planned attempts (74 excluded)

Cost per task

Average cost per task (USD) · Lower is better

  • Partial coverage
Cost per taskClaude Code – Claude Sonnet 5.5 (medium): $0.052; Terminus-2 – Gemini 3.8 Flash (low): $0.115 (partial coverage)$0$0.030$0.060$0.090$0.120$0.052Claude Sonnet 5.5 (medium)$0.115Gemini 3.8 Flash (low)
Data table: Cost per task
Cost per task
ModelCreatorCost per taskCoverage (attempts)
Terminus-2 – Gemini 3.8 Flash (low)Google$0.115833 of 1,167 planned attempts (74 excluded)
Claude Code – Claude Sonnet 5.5 (medium)Anthropic$0.0521,167 of 1,167 planned attempts

Time per task

Average agent wall time per task · Lower is better

  • Partial coverage
Time per taskClaude Code – Claude Sonnet 5.5 (medium): 0.6 min; Terminus-2 – Gemini 3.8 Flash (low): 2.7 min (partial coverage)0m1m2m2m3m0.6 minClaude Sonnet 5.5 (medium)2.7 minGemini 3.8 Flash (low)
Data table: Time per task
Time per task
ModelCreatorTime per taskCoverage (attempts)
Terminus-2 – Gemini 3.8 Flash (low)Google2.7 min833 of 1,167 planned attempts (74 excluded)
Claude Code – Claude Sonnet 5.5 (medium)Anthropic0.6 min1,167 of 1,167 planned attempts

Frequently asked questions

Which scores higher on the Geospatial Agent Index, Terminus-2 – Gemini 3.8 Flash (low) or Claude Code – Claude Sonnet 5.5 (medium)?
Claude Code – Claude Sonnet 5.5 (medium), at 65 against 64 for Terminus-2 – Gemini 3.8 Flash (low). Terminus-2 – Gemini 3.8 Flash (low): 833 of 1,167 planned attempts (74 excluded). Claude Code – Claude Sonnet 5.5 (medium): 951 of 1,167 planned attempts. Coverage is partial; scores can change as more attempts are decided.
Which is cheaper per task, Terminus-2 – Gemini 3.8 Flash (low) or Claude Code – Claude Sonnet 5.5 (medium)?
Claude Code – Claude Sonnet 5.5 (medium), at $0.052 against $0.115 for Terminus-2 – Gemini 3.8 Flash (low).
Which is faster per task, Terminus-2 – Gemini 3.8 Flash (low) or Claude Code – Claude Sonnet 5.5 (medium)?
Claude Code – Claude Sonnet 5.5 (medium), at 0.6 min against 2.7 min for Terminus-2 – Gemini 3.8 Flash (low).
Which has the larger context window, Terminus-2 – Gemini 3.8 Flash (low) or Claude Code – Claude Sonnet 5.5 (medium)?
Not known yet: Claude Code – Claude Sonnet 5.5 (medium) has no context window data.

More: Terminus-2 – Gemini 3.8 Flash (low) · Claude Code – Claude Sonnet 5.5 (medium) · all comparisons