Axis Spatial

DeepSeek V4 Flash (max), Terminus-2 vs. GPT-5.6 Sol (medium), Codex

DeepSeek V4 Flash (max), Terminus-2 against GPT-5.6 Sol (medium), Codex: Geospatial Agent Index, each evaluation, cost, time and tokens, on the same tasks and limits. The harnesses differ, so part of any gap can come from the harness. Methodology.

Side by side

DeepSeek V4 Flash (max), Terminus-2 vs. GPT-5.6 Sol (medium), Codex
MetricDeepSeek V4 Flash (max), Terminus-2GPT-5.6 Sol (medium), Codex
Geospatial Agent Index: Text only69100, not every task attempted yet (19 of 488 tasks attempted)
Geospatial Agent Index: Text + visionNo image inputStill to run: Earth-Bench V2, GeoBenchX, GS-QA2, Vision agents
Earth-Bench V2 score66No data
GeoBenchX score62No data
GS-QA2 score80100
Vision agents scoreNo image inputNo data
GeoAgentBench score (Guided workflows; not in the Agent Index)96No data
GeoAnalystBench score (Guided workflows; not in the Agent Index)95No data
Raster and remote sensing score78100
Vector and overlay score75No data
Climate and time series score66No data
Spatial statistics and interpolation score23No data
Mapping and cartography score79No data
Recognising infeasible requests score53No data
Cost per task$0.062$0.060
Time per task (at 100 output tokens/s)5.7 min0.2 min
Tokens per attempt303k66k
Turns per attempt14.46.1
Attempts scored48819
Input price per 1M tokens$0.44$4.00
Output price per 1M tokens$1.32$20.00
DeveloperDeepSeekOpenAI

* Not every task attempted yet: the score may still change. What the asterisk means.

Charts

Not yet ranked. GPT-5.6 Sol (medium), Codex: Earth-Bench V2 not started; GeoBenchX not started; 19 of 221 GS-QA2 tasks attempted. Grey placeholders mark these entries in the index, cost and output token charts; their height is not a value. Bars appear once every task has an attempt. Results so far are in the side-by-side table.

Geospatial Agent Index

Equal average of Earth-Bench V2, GeoBenchX and GS-QA2, 0 to 100 · Higher is better

Geospatial Agent IndexScores 0 to 100: DeepSeek V4 Flash (max), Terminus-2: 69; GPT-5.6 Sol (medium), Codex: Not yet ranked025507510069DeepSeek V4 Flash (max)Not yetrankedGPT-5.6 Sol (medium)
Data table: Geospatial Agent Index
Geospatial Agent Index
ModelDeveloperGeospatial Agent IndexStatusEvaluations scoredTasks attempted
DeepSeek V4 Flash (max), Terminus-2DeepSeek69Complete3 of 3488 of 488 tasks

Cost per task

Average cost per task (USD) · Lower is better

Cost per taskCost per task in US dollars: DeepSeek V4 Flash (max), Terminus-2: $0.062; GPT-5.6 Sol (medium), Codex: Not yet ranked$0$0.02$0.04$0.06$0.08$0.062DeepSeek V4 Flash (max)Not yetrankedGPT-5.6 Sol (medium)
How to read this chart

Not shown: not yet ranked. 1 entries without an attempt on every index task. What is still to run is on the models page.

Data table: Cost per task
Cost per task
ModelDeveloperCost per taskTasks attempted
DeepSeek V4 Flash (max), Terminus-2DeepSeek$0.062488 of 488 tasks

Output tokens per task

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

Output tokens per taskOutput tokens per task: DeepSeek V4 Flash (max), Terminus-2: 29k; GPT-5.6 Sol (medium), Codex: Not yet ranked010k20k30k40k29kDeepSeek V4 Flash (max)Not yetrankedGPT-5.6 Sol (medium)
How to read this chart

Not shown: not yet ranked. 1 entries without an attempt on every index task. What is still to run is on the models page.

Data table: Output tokens per task
Output tokens per task
ModelDeveloperOutput tokens per taskTasks attempted
DeepSeek V4 Flash (max), Terminus-2DeepSeek29k488 of 488 tasks

Frequently asked questions

Which scores higher on the Geospatial Agent Index, DeepSeek V4 Flash (max), Terminus-2 or GPT-5.6 Sol (medium), Codex?
Not comparable yet: GPT-5.6 Sol (medium), Codex is not yet ranked (Earth-Bench V2 not started; GeoBenchX not started; 19 of 221 GS-QA2 tasks attempted). DeepSeek V4 Flash (max), Terminus-2: 488 of 488 tasks attempted. GPT-5.6 Sol (medium), Codex: 19 of 488 tasks attempted. Scores can change as more tasks are attempted.
Which is cheaper per task, DeepSeek V4 Flash (max), Terminus-2 or GPT-5.6 Sol (medium), Codex?
GPT-5.6 Sol (medium), Codex, $0.060 to $0.062.
Which writes fewer output tokens per task, DeepSeek V4 Flash (max), Terminus-2 or GPT-5.6 Sol (medium), Codex?
GPT-5.6 Sol (medium), Codex, 678 to 29k.

More: DeepSeek V4 Flash (max), Terminus-2 · GPT-5.6 Sol (medium), Codex · All comparisons