Compare DeepSeek V4.1 Flash from DeepSeek and GPT-6.1 Terra from OpenAI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.


| Attribute | DeepSeek V4.1 Flash | GPT-6.1 Terra |
|---|---|---|
| Input price | $0.0027/M tokens | $1/M tokens |
| Output price | $0.6426/M tokens | $5/M tokens |
| Context window | 1,048,576 tokens | 1,050,000 tokens |
| Intelligence Index | Not available | 51.0 |
| Coding Index | Not available | Not available |
| Agentic Index | Not available | Not available |
| Latency (p50) | 0.69 s | 7.90 s |
| Throughput (p50) | 107.0 tok/s | 17.0 tok/s |
| Provided by | DeepSeek | OpenAI |
| Model page | DeepSeek V4.1 Flash model details, providers and pricing | GPT-6.1 Terra model details, providers and pricing |
Benchmark data updated
GPT-6.1 Terra has the longer context window at 1,050,000 tokens, compared with 1,048,576 tokens for DeepSeek V4.1 Flash.
DeepSeek V4.1 Flash is faster on OpenRouter, generating a median 107.0 tokens per second compared with 17.0 tokens per second for GPT-6.1 Terra.