Axis Spatial

Terminus-2 – gpt-oss-120b (high) vs. Codex – DeepSeek V4 Flash (high): geospatial agent comparison

Comparison between Terminus-2 – gpt-oss-120b (high) and Codex – DeepSeek V4 Flash (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 – gpt-oss-120b (high) vs. Codex – DeepSeek V4 Flash (high)
MetricTerminus-2 – gpt-oss-120b (high)Codex – DeepSeek V4 Flash (high)
Geospatial Agent Index39*46* (partial: attempt 1 on 112 of 565 tasks)
Earth-Bench V2 score4355
GeoBenchX score3937
GS-QA2 score37No data
GeoAgentBench score (guided GIS workflow; outside the index)70No data
GeoAnalystBench score (guided GIS workflow; outside the index)53No data
Raster and remote sensing score3954
Vector and overlay score3533
Networks and routing scoreNo dataNo data
Climate and time series score46100
Spatial statistics and interpolation score140
Mapping and cartography score390
Recognising infeasible requests score4436
Cost per task$0.032$0.034
Time per task5.6 min8.9 min
Tokens per attempt72k398k
Turns per attempt6.317.2
Attempts decided56565
Input price per 1M tokens$0.35$0.44
Output price per 1M tokens$0.75$1.32
Context window128,0001,048,576
Image inputNoNo
DeveloperOpenAIDeepSeek

Charts

Partial coverage. Codex – DeepSeek V4 Flash (high): 11 of 147 Earth-Bench V2 tasks; 101 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 – gpt-oss-120b (high): 39* (partial coverage); Codex – DeepSeek V4 Flash (high): Partial025507510039*gpt-oss-120b (high)PartialDeepSeek V4 Flash (high)
Data table: Geospatial Agent Index
Geospatial Agent Index
ModelCreatorGeospatial Agent IndexRange while attempts are pendingBenchmarks coveredCoverage (attempts)
Terminus-2 – gpt-oss-120b (high)OpenAI39*No pending judgements; coverage incomplete; 90 results awaiting review; 2 trace reviews 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 – gpt-oss-120b (high): $0.032 (partial coverage); Codex – DeepSeek V4 Flash (high): Partial$0$0.010$0.020$0.030$0.040$0.032gpt-oss-120b (high)PartialDeepSeek V4 Flash (high)
How to read this chart

Not shown: partial coverage. Codex – DeepSeek V4 Flash (high).

Data table: Cost per task
Cost per task
ModelCreatorCost per taskCoverage (attempts)
Terminus-2 – gpt-oss-120b (high)OpenAI$0.032565 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 – gpt-oss-120b (high): 17k (partial coverage); Codex – DeepSeek V4 Flash (high): Partial05k10k15k20k17kgpt-oss-120b (high)PartialDeepSeek V4 Flash (high)
How to read this chart

Not shown: partial coverage. Codex – DeepSeek V4 Flash (high).

Data table: Output tokens per task
Output tokens per task
ModelCreatorOutput tokens per taskCoverage (attempts)
Terminus-2 – gpt-oss-120b (high)OpenAI17k565 of 859 planned attempts

Frequently asked questions

Which scores higher on the Geospatial Agent Index, Terminus-2 – gpt-oss-120b (high) or Codex – DeepSeek V4 Flash (high)?
Not comparable yet: Codex – DeepSeek V4 Flash (high) has partial coverage (11 of 147 Earth-Bench V2 tasks; 101 of 173 GeoBenchX tasks; GS-QA2 incomplete), so it is not ranked. Terminus-2 – gpt-oss-120b (high): 565 of 859 planned attempts. Codex – DeepSeek V4 Flash (high): 65 of 614 planned attempts (97 excluded). Coverage is partial; scores can change as more attempts are decided.
Which is cheaper per task, Terminus-2 – gpt-oss-120b (high) or Codex – DeepSeek V4 Flash (high)?
Terminus-2 – gpt-oss-120b (high), at $0.032 against $0.034 for Codex – DeepSeek V4 Flash (high).
Which writes fewer output tokens per task, Terminus-2 – gpt-oss-120b (high) or Codex – DeepSeek V4 Flash (high)?
Codex – DeepSeek V4 Flash (high), at 14k against 17k for Terminus-2 – gpt-oss-120b (high).
Which has the larger context window, Terminus-2 – gpt-oss-120b (high) or Codex – DeepSeek V4 Flash (high)?
Codex – DeepSeek V4 Flash (high), at 1,048,576 tokens against 128,000 tokens for Terminus-2 – gpt-oss-120b (high).

More: Terminus-2 – gpt-oss-120b (high) · Codex – DeepSeek V4 Flash (high) · all comparisons