Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)
Comparing verified benchmark accuracy, speed, and token pricing between Google Gemini Pro Latest and GPT Image 1.5. Review the complete breakdown below to determine which model best fits your performance and budget requirements.
Auto-discovered from OpenRouter (~google/gemini-pro-latest). Preview until a second source matches.
Previous OpenAI image generation flagship. High fidelity with proven enterprise reliability.
Single model data
No latency data
Unpriced
Category wins across reasoning intelligence, generation speed, and token cost.
Arena Preference Elo, prompt fidelity & typography score
Time to render full-resolution image snapshot (seconds)
API inference cost per 1,000 generated images
| Benchmark | Google Gemini Pro Latest | GPT Image 1.5 | Advantage Delta |
|---|---|---|---|
| Image Elo | — | — | |
| Generation time | — | — | |
| Price per 1k images | — | $133/1k | — |
| Prompt adherence | — | — | |
| Text rendering | — | — |
Simulate monthly production API costs in USD (US Dollar).
Google Gemini Pro Latest is estimated to save $3,325.00/month ($39,900/year).
Need SWE-bench on both sides.
Need list prices.
Need TTFT on both sides.
Need context sizes.
GPT Image 1.5 is the side marked multimodal in the catalog.
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | insufficient data | Need SWE-bench on both sides. |
| High-volume chat | insufficient data | Need list prices. |
| Voice / low-latency UI | insufficient data | Need TTFT on both sides. |
| Long-document RAG | insufficient data | Need context sizes. |
| Screenshots / vision | GPT Image 1.5 | GPT Image 1.5 is the side marked multimodal in the catalog. |
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Verified Head-to-Head Telemetry
