GPT-6.1 Terra vs DeepSeek V4.1 Flash 1017
Detailed technical comparison between GPT-6.1 Terra (OpenAI) and DeepSeek V4.1 Flash 1017 (DeepSeek). 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 SpeedDeepSeek V4.1 Flash 1017
$0.15 / 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...
DeepSeek V4.1 Flash 1017
DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the `deepseek-flash` API model name. V4.1 Flash is a sparse mixture-of-experts model...
Technical Specifications
🏆 = Superior Spec| Specification | GPT-6.1 Terra | DeepSeek V4.1 Flash 1017 |
|---|---|---|
| Provider | OpenAI | DeepSeek |
| Context Window | 1,050,000 tokens🏆 | 1,048,576 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 | self hostable |
| Production Stability | Not verified | Not verified |
| API Available | Yes | Yes |
| Released Date | 2026-10-26 | 2026-10-17 |
API Pricing Comparison
Input Price per Million Tokens
GPT-6.1 Terra
$1.00
DeepSeek V4.1 Flash 1017
$0.15
Output Price per Million Tokens
GPT-6.1 Terra
$5.00
DeepSeek V4.1 Flash 1017
$0.60
💡 Cost Ratio: DeepSeek V4.1 Flash 1017 is 6.7x cheaper per input token than GPT-6.1 Terra.
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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.
DeepSeek V4.1 Flash 1017 Quirks & Gotchas
No developer gotchas reported.
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