GPT-6.1 Terra vs Nano Banana 2.1
Detailed technical comparison between GPT-6.1 Terra (OpenAI) and Nano Banana 2.1 (Google). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.
Comparison Snapshot
GPT-6.1 Terra
1,050,000 tokensTie
Equal CapabilityTie
Equal SpeedGPT-6.1 Terra
$1.00 / MTokGPT-6.1 Terra
GPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol. It is suited for everyday agentic, coding, and writing work, is particularly strong at understanding screenshots...
Nano Banana 2.1
Nano Banana 2.1 (Gemini Nano Banana 2.1) is Google's image generation and editing model on the Flash tier, succeeding Nano Banana 2 and Nano Banana Pro. It improves product recontextualization,...
Technical Specifications
🏆 = Superior Spec| Specification | GPT-6.1 Terra | Nano Banana 2.1 |
|---|---|---|
| Provider | OpenAI | |
| Context Window | 1,050,000 tokens🏆 | 65,536 tokens |
| Agent Suitability | Not yet benchmarked | Not yet benchmarked |
| Time to First Token (TTFT) | No public TTFT data | No public TTFT data |
| Deployment Model | managed api | managed api |
| Production Stability | Not verified | Not verified |
| API Available | Yes | Yes |
| Released Date | 2026-10-26 | 2026-10-06 |
API Pricing Comparison
Input Price per Million Tokens
GPT-6.1 Terra
$1.00
Nano Banana 2.1
$1.50
Output Price per Million Tokens
GPT-6.1 Terra
$5.00
Nano Banana 2.1
$7.50
💡 Cost Ratio: GPT-6.1 Terra is 1.5x cheaper per input token than Nano Banana 2.1.
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Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.
Benchmark Performance Metrics
Standardized Scores (0–100%)Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.
GPT-6.1 Terra Quirks & Gotchas
No developer gotchas reported.
Nano Banana 2.1 Quirks & Gotchas
No developer gotchas reported.
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