Axis Spatial

Claude Code – Claude Sonnet 5.5 (high) vs. Codex – GPT-6.1 Sol (medium): geospatial agent comparison

Comparison between Claude Code – Claude Sonnet 5.5 (high) and Codex – GPT-6.1 Sol (medium) on the Geospatial Agent Index, each benchmark, cost, time and token use, from the same tasks, agent and limits. Methodology.

Side by side

Claude Code – Claude Sonnet 5.5 (high) vs. Codex – GPT-6.1 Sol (medium)
MetricClaude Code – Claude Sonnet 5.5 (high)Codex – GPT-6.1 Sol (medium)
Geospatial Agent Index81* (partial: 1.9 of 3 attempts)79* (partial: 2.6 of 3 attempts)
GeoAgentBench score100100
GeoBenchX score6767
Earth-Bench score5851
GeoAnalystBench score97100
Raster and remote sensing score7971
Vector and overlay score8182
Networks and routing score100100
Climate and time series score7975
Spatial statistics and interpolation score7362
Mapping and cartography score7675
Recognising infeasible requests score6169
Cost per task$0.062$0.060
Time per task0.7 min1.4 min
Tokens per attempt95k111k
Turns per attempt4.66.6
Attempts decided479749
Input price per 1M tokens$2.00$2.00
Output price per 1M tokens$10.00$10.00
Context windowNo dataNo data
Image inputNo dataNo data
DeveloperAnthropicOpenAI

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 (high): 81* (partial coverage); Codex – GPT-6.1 Sol (medium): 79* (partial coverage)025507510081*Claude Sonnet 5.5 (high)79*GPT-6.1 Sol (medium)
Data table: Geospatial Agent Index
Geospatial Agent Index
ModelCreatorGeospatial Agent IndexRange while attempts are pendingBenchmarks coveredCoverage (attempts)
Claude Code – Claude Sonnet 5.5 (high)Anthropic81* (partial: 1.9 of 3 attempts)71 to 824 of 4479 of 870 planned attempts (236 excluded)
Codex – GPT-6.1 Sol (medium)OpenAI79* (partial: 2.6 of 3 attempts)No pending judgements; coverage incomplete4 of 4749 of 870 planned attempts (6 excluded)

Cost per task

Average cost per task (USD) · Lower is better

  • Partial coverage
Cost per taskCodex – GPT-6.1 Sol (medium): $0.060 (partial coverage); Claude Code – Claude Sonnet 5.5 (high): $0.062 (partial coverage)$0$0.020$0.040$0.060$0.080$0.060GPT-6.1 Sol (medium)$0.062Claude Sonnet 5.5 (high)
Data table: Cost per task
Cost per task
ModelCreatorCost per taskCoverage (attempts)
Claude Code – Claude Sonnet 5.5 (high)Anthropic$0.062543 of 870 planned attempts (236 excluded)
Codex – GPT-6.1 Sol (medium)OpenAI$0.060749 of 870 planned attempts (6 excluded)

Time per task

Average agent wall time per task · Lower is better

  • Partial coverage
Time per taskClaude Code – Claude Sonnet 5.5 (high): 0.7 min (partial coverage); Codex – GPT-6.1 Sol (medium): 1.4 min (partial coverage)0m0m1m1m2m0.7 minClaude Sonnet 5.5 (high)1.4 minGPT-6.1 Sol (medium)
Data table: Time per task
Time per task
ModelCreatorTime per taskCoverage (attempts)
Claude Code – Claude Sonnet 5.5 (high)Anthropic0.7 min543 of 870 planned attempts (236 excluded)
Codex – GPT-6.1 Sol (medium)OpenAI1.4 min749 of 870 planned attempts (6 excluded)

Frequently asked questions

Which scores higher on the Geospatial Agent Index, Claude Code – Claude Sonnet 5.5 (high) or Codex – GPT-6.1 Sol (medium)?
Claude Code – Claude Sonnet 5.5 (high), at 81 against 79 for Codex – GPT-6.1 Sol (medium). Claude Code – Claude Sonnet 5.5 (high): 479 of 870 planned attempts (236 excluded). Codex – GPT-6.1 Sol (medium): 749 of 870 planned attempts (6 excluded). Coverage is partial; scores can change as more attempts are decided.
Which is cheaper per task, Claude Code – Claude Sonnet 5.5 (high) or Codex – GPT-6.1 Sol (medium)?
Codex – GPT-6.1 Sol (medium), at $0.060 against $0.062 for Claude Code – Claude Sonnet 5.5 (high).
Which is faster per task, Claude Code – Claude Sonnet 5.5 (high) or Codex – GPT-6.1 Sol (medium)?
Claude Code – Claude Sonnet 5.5 (high), at 0.7 min against 1.4 min for Codex – GPT-6.1 Sol (medium).
Which has the larger context window, Claude Code – Claude Sonnet 5.5 (high) or Codex – GPT-6.1 Sol (medium)?
Not known yet: Claude Code – Claude Sonnet 5.5 (high) has no context window data and Codex – GPT-6.1 Sol (medium) has no context window data.

More: Claude Code – Claude Sonnet 5.5 (high) · Codex – GPT-6.1 Sol (medium) · all comparisons