Google: Gemini 2.5 Flash (batch) vs OpenAI: GPT-5.6 Terra (batch)
Based on weekly OpenRouter usage tracked by AI Tier List, OpenAI: GPT-5.6 Terra (batch) ranks #17 overall — ahead of Google: Gemini 2.5 Flash (batch) at #24. Google: Gemini 2.5 Flash (batch) is cheaper on input tokens at $0.15/1M vs $1/1M for OpenAI: GPT-5.6 Terra (batch). OpenAI: GPT-5.6 Terra (batch) offers the larger context window at 1.1M tokens.
Google: Gemini 2.5 Flash (batch) vs OpenAI: GPT-5.6 Terra (batch): which should you use?
Choose Google: Gemini 2.5 Flash (batch) if…
- Cheaper to read — $0.15 vs $1 per 1M input tokens, which is what dominates long-prompt and RAG workloads.
- Cheaper to write — $1.25 vs $6 per 1M output tokens, the line item that decides generation-heavy costs.
- It accepts audio, video input, which OpenAI: GPT-5.6 Terra (batch) does not.
Choose OpenAI: GPT-5.6 Terra (batch) if…
- It sees more real traffic — #17 overall on OpenRouter's weekly ranking, against #24 for Google: Gemini 2.5 Flash (batch).
- Bigger context window — 1.1M vs 1M tokens.
- It is the newer model — released Jul 2026 against Jun 2025.
Spec Comparison
| Spec | Google: Gemini 2.5 Flash (batch) | OpenAI: GPT-5.6 Terra (batch) |
|---|---|---|
| Author | openai | |
| Input price (per 1M tokens) | $0.15 | $1 |
| Output price (per 1M tokens) | $1.25 | $6 |
| Context window | 1M | 1.1M |
| Input modalities | file, image, text, audio, video | file, image, text |
| Output modalities | text | text |
| AA Intelligence | — | — |
| AA Coding | — | — |
| AA Agentic | — | — |
| Released | Jun 2025 | Jul 2026 |
What Google: Gemini 2.5 Flash (batch) and OpenAI: GPT-5.6 Terra (batch) actually cost to run
On a read-heavy job — 1M tokens in, 100K out — Google: Gemini 2.5 Flash (batch) costs $0.28 and OpenAI: GPT-5.6 Terra (batch) costs $1.60.
Flip the shape — 100K in, 1M out — and it becomes $1.26 for Google: Gemini 2.5 Flash (batch) versus $6.10 for OpenAI: GPT-5.6 Terra (batch).
Both figures are the published per-token rates multiplied out; caching and batch discounts are not included.
Usage Rank by Task
| Task | Google: Gemini 2.5 Flash (batch) | OpenAI: GPT-5.6 Terra (batch) |
|---|---|---|
| Overall | #24 | #17 |
| Classification & Tagging | #7 | — |
| Customer Support | #3 | — |
| Data Extraction | #4 | — |
| Data Transformation | #10 | — |
| Image Processing | #4 | #3 |
| Translation | #6 | — |
About Google: Gemini 2.5 Flash (batch) and OpenAI: GPT-5.6 Terra (batch)
Google: Gemini 2.5 Flash (batch)
Built by google · released Jun 2025 · 1M-token context
Gemini 2.5 Flash is Google's state-of-the-art workhorse model, specifically designed for advanced reasoning, coding, mathematics, and scientific tasks. It includes built-in "thinking" capabilities, enabling it to provide responses with greater...
OpenAI: GPT-5.6 Terra (batch)
Built by openai · released Jul 2026 · 1.1M-token context
GPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is suited for everyday coding, reasoning, and agentic...
Related comparisons
- Google: Gemini 2.5 Flash (batch) vs DeepSeek: DeepSeek V4 Flash 0731
- Google: Gemini 2.5 Flash (batch) vs Tencent: Hy3
- Google: Gemini 2.5 Flash (batch) vs OpenAI: GPT-5.6 Luna (batch)
- OpenAI: GPT-5.6 Terra (batch) vs DeepSeek: DeepSeek V4 Flash 0731
- OpenAI: GPT-5.6 Terra (batch) vs Tencent: Hy3
- OpenAI: GPT-5.6 Terra (batch) vs OpenAI: GPT-5.6 Luna (batch)
Get notified when Google: Gemini 2.5 Flash (batch) or OpenAI: GPT-5.6 Terra (batch) moves
Usage ranks and prices refresh weekly. We email you when they move — once a week, no spam.
FAQ
Which is better, Google: Gemini 2.5 Flash (batch) or OpenAI: GPT-5.6 Terra (batch)?
Based on weekly OpenRouter usage tracked by AI Tier List, OpenAI: GPT-5.6 Terra (batch) ranks #17 overall — ahead of Google: Gemini 2.5 Flash (batch) at #24. Google: Gemini 2.5 Flash (batch) is cheaper on input tokens at $0.15/1M vs $1/1M for OpenAI: GPT-5.6 Terra (batch). OpenAI: GPT-5.6 Terra (batch) offers the larger context window at 1.1M tokens.
Which is cheaper, Google: Gemini 2.5 Flash (batch) or OpenAI: GPT-5.6 Terra (batch)?
Google: Gemini 2.5 Flash (batch) is cheaper at $0.15 per 1M input tokens. Output pricing: Google: Gemini 2.5 Flash (batch) $1.25, OpenAI: GPT-5.6 Terra (batch) $6.
Is OpenAI: GPT-5.6 Terra (batch) still ahead of Google: Gemini 2.5 Flash (batch) right now?
Yes. For the week of 2026-08-10, OpenAI: GPT-5.6 Terra (batch) ranks #17 overall on OpenRouter usage against #24 for Google: Gemini 2.5 Flash (batch). Ranks refresh weekly, and the verdict on this page flips if they cross.
Usage ranks are weekly data aggregated by OpenRouter. Prices are USD per 1M tokens.