Terminus-2 – Gemini 3.8 Flash (low) vs. Codex – GPT-6.1 Sol (medium): geospatial agent comparison
Comparison between Terminus-2 – Gemini 3.8 Flash (low) 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
| Metric | Terminus-2 – Gemini 3.8 Flash (low) | Codex – GPT-6.1 Sol (medium) |
|---|---|---|
| Geospatial Agent Index | 64* (attempts per task: 2.9) | 70* (attempts per task: 3.3) |
| GeoAgentBench score | 96 | 99 |
| GeoBenchX score | 61 | 61 |
| Earth-Bench score | 37 | 23 |
| GeoAnalystBench score | 63 | 98 |
| Raster and remote sensing score | 62 | 50 |
| Vector and overlay score | 63 | 78 |
| Networks and routing score | 100 | 100 |
| Climate and time series score | 51 | 40 |
| Spatial statistics and interpolation score | 43 | 42 |
| Mapping and cartography score | 53 | 76 |
| Recognising infeasible requests score | 83 | 68 |
| Cost per task | $0.115 | $0.060 |
| Time per task | 2.7 min | 1.4 min |
| Tokens per attempt | 314k | 111k |
| Turns per attempt | 17.9 | 6.6 |
| Attempts decided | 833 | 870 |
| Input price per 1M tokens | $0.75 | $2.00 |
| Output price per 1M tokens | $3.75 | $10.00 |
| Context window | 1,048,576 | No data |
| Image input | Yes | No data |
| Developer | OpenAI |
Charts
Geospatial Agent Index
Equal-weight average of the evaluation scores, 0 to 100 · Higher is better
First eight selected entries in metric order. Full results in table view.
Data table: Geospatial Agent Index
| Model | Creator | Geospatial Agent Index | Range while attempts are pending | Benchmarks covered | Coverage (attempts) |
|---|---|---|---|---|---|
| Codex – GPT-6.1 Sol (medium) | OpenAI | 70* (attempts per task: 3.3) | 67 to 80 | 4 of 4 | 870 of 1,167 planned attempts (1 excluded) |
| Terminus-2 – Gemini 3.8 Flash (low) | 64* (attempts per task: 2.9) | No pending judgements; coverage incomplete | 4 of 4 | 833 of 1,167 planned attempts (74 excluded) |
Codex – GPT-6.1 Sol (medium)
Terminus-2 – Gemini 3.8 Flash (low)Cost per task
Average cost per task (USD) · Lower is better
First eight selected entries in metric order. Full results in table view.
Data table: Cost per task
| Model | Creator | Cost per task | Coverage (attempts) |
|---|---|---|---|
| Terminus-2 – Gemini 3.8 Flash (low) | $0.115 | 833 of 1,167 planned attempts (74 excluded) | |
| Codex – GPT-6.1 Sol (medium) | OpenAI | $0.060 | 944 of 1,167 planned attempts (1 excluded) |
Time per task
Average agent wall time per task · Lower is better
First eight selected entries in metric order. Full results in table view.
Data table: Time per task
| Model | Creator | Time per task | Coverage (attempts) |
|---|---|---|---|
| Terminus-2 – Gemini 3.8 Flash (low) | 2.7 min | 833 of 1,167 planned attempts (74 excluded) | |
| Codex – GPT-6.1 Sol (medium) | OpenAI | 1.4 min | 944 of 1,167 planned attempts (1 excluded) |
Frequently asked questions
Which scores higher on the Geospatial Agent Index, Terminus-2 – Gemini 3.8 Flash (low) or Codex – GPT-6.1 Sol (medium)?
Codex – GPT-6.1 Sol (medium), at 70 against 64 for Terminus-2 – Gemini 3.8 Flash (low). Terminus-2 – Gemini 3.8 Flash (low): 833 of 1,167 planned attempts (74 excluded). Codex – GPT-6.1 Sol (medium): 870 of 1,167 planned attempts (1 excluded). Coverage is partial; scores can change as more attempts are decided.
Which is cheaper per task, Terminus-2 – Gemini 3.8 Flash (low) or Codex – GPT-6.1 Sol (medium)?
Codex – GPT-6.1 Sol (medium), at $0.060 against $0.115 for Terminus-2 – Gemini 3.8 Flash (low).
Which is faster per task, Terminus-2 – Gemini 3.8 Flash (low) or Codex – GPT-6.1 Sol (medium)?
Codex – GPT-6.1 Sol (medium), at 1.4 min against 2.7 min for Terminus-2 – Gemini 3.8 Flash (low).
Which has the larger context window, Terminus-2 – Gemini 3.8 Flash (low) or Codex – GPT-6.1 Sol (medium)?
Not known yet: Codex – GPT-6.1 Sol (medium) has no context window data.
More: Terminus-2 – Gemini 3.8 Flash (low) · Codex – GPT-6.1 Sol (medium) · all comparisons