Axis Spatial

Terminus-2 – DeepSeek V4 Pro (max) vs. Codex – gpt-oss-20b (high): geospatial agent comparison

Comparison between Terminus-2 – DeepSeek V4 Pro (max) and Codex – gpt-oss-20b (high) 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 – DeepSeek V4 Pro (max) vs. Codex – gpt-oss-20b (high)
MetricTerminus-2 – DeepSeek V4 Pro (max)Codex – gpt-oss-20b (high)
Geospatial Agent Index59*4* (partial: attempt 1 on 173 of 565 tasks)
Earth-Bench V2 score490
GeoBenchX score578
GS-QA2 score70No data
GeoAgentBench score (guided GIS workflow; outside the index)96No data
GeoAnalystBench score (guided GIS workflow; outside the index)100No data
Raster and remote sensing score630
Vector and overlay score6725
Networks and routing scoreNo dataNo data
Climate and time series score510
Spatial statistics and interpolation score430
Mapping and cartography score804
Recognising infeasible requests score4212
Cost per task$0.341$0.140
Time per task8.7 min8.0 min
Tokens per attempt270k683k
Turns per attempt14.829.5
Attempts decided565170
Input price per 1M tokens$1.32$0.20
Output price per 1M tokens$3.96$0.30
Context window1,048,576128,000
Image inputNoNo
DeveloperDeepSeekOpenAI

Charts

Partial coverage. Codex – gpt-oss-20b (high): 32 of 147 Earth-Bench V2 tasks; 141 of 173 GeoBenchX tasks; GS-QA2 incomplete. Grey placeholders identify these entries in the index, cost and output token charts; their height does not represent a value. Comparable bars appear when first-attempt coverage is complete. Their available results remain in the side-by-side table.

Geospatial Agent Index

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

  • Planned attempts still to come
Geospatial Agent IndexTerminus-2 – DeepSeek V4 Pro (max): 59* (partial coverage); Codex – gpt-oss-20b (high): Partial025507510059*DeepSeek V4 Pro (max)Partialgpt-oss-20b (high)
Data table: Geospatial Agent Index
Geospatial Agent Index
ModelCreatorGeospatial Agent IndexRange while attempts are pendingBenchmarks coveredCoverage (attempts)
Terminus-2 – DeepSeek V4 Pro (max)DeepSeek59*No pending judgements; coverage incomplete; 172 results awaiting review; 1 trace review declined by the judge3 of 3565 of 859 planned attempts

Cost per task

Average cost per task (USD) · Lower is better

  • Planned attempts still to come
Cost per taskTerminus-2 – DeepSeek V4 Pro (max): $0.341 (partial coverage); Codex – gpt-oss-20b (high): Partial$0$0.100$0.200$0.300$0.400$0.341DeepSeek V4 Pro (max)Partialgpt-oss-20b (high)
How to read this chart

Not shown: partial coverage. Codex – gpt-oss-20b (high).

Data table: Cost per task
Cost per task
ModelCreatorCost per taskCoverage (attempts)
Terminus-2 – DeepSeek V4 Pro (max)DeepSeek$0.341565 of 859 planned attempts

Output tokens per task

Average output tokens per attempt, reasoning included · Lower is better

  • Planned attempts still to come
Output tokens per taskTerminus-2 – DeepSeek V4 Pro (max): 24k (partial coverage); Codex – gpt-oss-20b (high): Partial06k12k19k25k24kDeepSeek V4 Pro (max)Partialgpt-oss-20b (high)
How to read this chart

Not shown: partial coverage. Codex – gpt-oss-20b (high).

Data table: Output tokens per task
Output tokens per task
ModelCreatorOutput tokens per taskCoverage (attempts)
Terminus-2 – DeepSeek V4 Pro (max)DeepSeek24k565 of 859 planned attempts

Frequently asked questions

Which scores higher on the Geospatial Agent Index, Terminus-2 – DeepSeek V4 Pro (max) or Codex – gpt-oss-20b (high)?
Not comparable yet: Codex – gpt-oss-20b (high) has partial coverage (32 of 147 Earth-Bench V2 tasks; 141 of 173 GeoBenchX tasks; GS-QA2 incomplete), so it is not ranked. Terminus-2 – DeepSeek V4 Pro (max): 565 of 859 planned attempts. Codex – gpt-oss-20b (high): 170 of 614 planned attempts. Coverage is partial; scores can change as more attempts are decided.
Which is cheaper per task, Terminus-2 – DeepSeek V4 Pro (max) or Codex – gpt-oss-20b (high)?
Codex – gpt-oss-20b (high), at $0.140 against $0.341 for Terminus-2 – DeepSeek V4 Pro (max).
Which writes fewer output tokens per task, Terminus-2 – DeepSeek V4 Pro (max) or Codex – gpt-oss-20b (high)?
Terminus-2 – DeepSeek V4 Pro (max), at 24k against 29k for Codex – gpt-oss-20b (high).
Which has the larger context window, Terminus-2 – DeepSeek V4 Pro (max) or Codex – gpt-oss-20b (high)?
Terminus-2 – DeepSeek V4 Pro (max), at 1,048,576 tokens against 128,000 tokens for Codex – gpt-oss-20b (high).

More: Terminus-2 – DeepSeek V4 Pro (max) · Codex – gpt-oss-20b (high) · all comparisons