Which scores higher on the Geospatial Agent Index, Claude Code – Claude Sonnet 5.5 (high) or Codex – GPT-6.1 Sol (high)?

Claude Code – Claude Sonnet 5.5 (high), at 81 against 80 for Codex – GPT-6.1 Sol (high). Claude Code – Claude Sonnet 5.5 (high): 479 of 870 planned attempts (236 excluded). Codex – GPT-6.1 Sol (high): 753 of 870 planned attempts. 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 (high)?

Claude Code – Claude Sonnet 5.5 (high), at $0.062 against $0.080 for Codex – GPT-6.1 Sol (high).

Which is faster per task, Claude Code – Claude Sonnet 5.5 (high) or Codex – GPT-6.1 Sol (high)?

Claude Code – Claude Sonnet 5.5 (high), at 0.7 min against 1.8 min for Codex – GPT-6.1 Sol (high).

Which has the larger context window, Claude Code – Claude Sonnet 5.5 (high) or Codex – GPT-6.1 Sol (high)?

Not known yet: Claude Code – Claude Sonnet 5.5 (high) has no context window data and Codex – GPT-6.1 Sol (high) has no context window data.

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

Comparison between Claude Code – Claude Sonnet 5.5 (high) and Codex – GPT-6.1 Sol (high) 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 (high)
Metric	Claude Code – Claude Sonnet 5.5 (high)	Codex – GPT-6.1 Sol (high)
Geospatial Agent Index	81* (partial: 1.9 of 3 attempts)	80* (partial: 2.8 of 3 attempts)
GeoAgentBench score	100	100
GeoBenchX score	67	66
Earth-Bench score	58	53
GeoAnalystBench score	97	100
Raster and remote sensing score	79	72
Vector and overlay score	81	78
Networks and routing score	100	100
Climate and time series score	79	76
Spatial statistics and interpolation score	73	61
Mapping and cartography score	76	76
Recognising infeasible requests score	61	68
Cost per task	$0.062	$0.080
Time per task	0.7 min	1.8 min
Tokens per attempt	95k	143k
Turns per attempt	4.6	7.8
Attempts decided	479	753
Input price per 1M tokens	$2.00	$2.00
Output price per 1M tokens	$10.00	$10.00
Context window	No data	No data
Image input	No data	No data
Developer	Anthropic	OpenAI

Charts

Geospatial Agent Index

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

Partial coverage

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 (high)	Anthropic	81* (partial: 1.9 of 3 attempts)	71 to 82	4 of 4	479 of 870 planned attempts (236 excluded)
Codex – GPT-6.1 Sol (high)	OpenAI	80* (partial: 2.8 of 3 attempts)	72 to 80	4 of 4	753 of 870 planned attempts

Cost per task

Average cost per task (USD) · Lower is better

Partial coverage

Data table: Cost per task

Cost per task
Model	Creator	Cost per task	Coverage (attempts)
Claude Code – Claude Sonnet 5.5 (high)	Anthropic	$0.062	543 of 870 planned attempts (236 excluded)
Codex – GPT-6.1 Sol (high)	OpenAI	$0.080	813 of 870 planned attempts

Time per task

Average agent wall time per task · Lower is better

Partial coverage

Data table: Time per task

Time per task
Model	Creator	Time per task	Coverage (attempts)
Claude Code – Claude Sonnet 5.5 (high)	Anthropic	0.7 min	543 of 870 planned attempts (236 excluded)
Codex – GPT-6.1 Sol (high)	OpenAI	1.8 min	813 of 870 planned attempts

Frequently asked questions

Which scores higher on the Geospatial Agent Index, Claude Code – Claude Sonnet 5.5 (high) or Codex – GPT-6.1 Sol (high)?: Claude Code – Claude Sonnet 5.5 (high), at 81 against 80 for Codex – GPT-6.1 Sol (high). Claude Code – Claude Sonnet 5.5 (high): 479 of 870 planned attempts (236 excluded). Codex – GPT-6.1 Sol (high): 753 of 870 planned attempts. 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 (high)?: Claude Code – Claude Sonnet 5.5 (high), at $0.062 against $0.080 for Codex – GPT-6.1 Sol (high).
Which is faster per task, Claude Code – Claude Sonnet 5.5 (high) or Codex – GPT-6.1 Sol (high)?: Claude Code – Claude Sonnet 5.5 (high), at 0.7 min against 1.8 min for Codex – GPT-6.1 Sol (high).
Which has the larger context window, Claude Code – Claude Sonnet 5.5 (high) or Codex – GPT-6.1 Sol (high)?: Not known yet: Claude Code – Claude Sonnet 5.5 (high) has no context window data and Codex – GPT-6.1 Sol (high) has no context window data.

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