Terminus-2 – Gemini 3.8 Flash (low) vs. Codex – GPT-6.1 Sol (high): geospatial agent comparison
Comparison between Terminus-2 – Gemini 3.8 Flash (low) 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
| Metric | Terminus-2 – Gemini 3.8 Flash (low) | Codex – GPT-6.1 Sol (high) |
|---|---|---|
| Geospatial Agent Index | 64* (attempts per task: 2.9) | 69* (attempts per task: 3.3) |
| GeoAgentBench score | 96 | 97 |
| GeoBenchX score | 61 | 60 |
| Earth-Bench score | 37 | 23 |
| GeoAnalystBench score | 63 | 96 |
| Raster and remote sensing score | 62 | 47 |
| Vector and overlay score | 63 | 80 |
| Networks and routing score | 100 | 100 |
| Climate and time series score | 51 | 39 |
| Spatial statistics and interpolation score | 43 | 43 |
| Mapping and cartography score | 53 | 74 |
| Recognising infeasible requests score | 83 | 68 |
| Cost per task | $0.115 | $0.080 |
| Time per task | 2.7 min | 1.9 min |
| Tokens per attempt | 314k | 145k |
| Turns per attempt | 17.9 | 7.8 |
| Attempts decided | 833 | 877 |
| 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 (high) | OpenAI | 69* (attempts per task: 3.3) | 66 to 78 | 4 of 4 | 877 of 1,167 planned attempts |
| 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 (high)
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 (high) | OpenAI | $0.080 | 946 of 1,167 planned attempts |
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 (high) | OpenAI | 1.9 min | 946 of 1,167 planned attempts |
Frequently asked questions
Which scores higher on the Geospatial Agent Index, Terminus-2 – Gemini 3.8 Flash (low) or Codex – GPT-6.1 Sol (high)?
Codex – GPT-6.1 Sol (high), at 69 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 (high): 877 of 1,167 planned attempts. 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 (high)?
Codex – GPT-6.1 Sol (high), at $0.080 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 (high)?
Codex – GPT-6.1 Sol (high), at 1.9 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 (high)?
Not known yet: Codex – GPT-6.1 Sol (high) has no context window data.
More: Terminus-2 – Gemini 3.8 Flash (low) · Codex – GPT-6.1 Sol (high) · all comparisons