DeepSeek: DeepSeek V3.1 Terminus vs OpenAI: GPT-4.1 Mini
Side-by-side comparison of DeepSeek: DeepSeek V3.1 Terminus and OpenAI: GPT-4.1 Mini. Compare pricing, context window, capabilities, and find out which is better for your workflow.
Verdict
strong confidenceOpenAI: GPT-4.1 Mini leads overall
OpenAI: GPT-4.1 Mini leads in context window and max output, making it the stronger choice for most workflows. DeepSeek: DeepSeek V3.1 Terminus remains competitive with advantages in price.
Best for with DeepSeek: DeepSeek V3.1 Terminus
Best for with OpenAI: GPT-4.1 Mini
Side-by-side
Technical specifications
| DeepSeek: DeepSeek V3.1 Terminus | OpenAI: GPT-4.1 Mini | |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Input price | $0.21/M | $0.40/M |
| Output price | $0.79/M | $2/M |
| Context window | 164K | 1.0M |
| Max output | N/A | 33K |
| Capabilities | Tool useReasoning | Tool useVision |
| Released | Sep 22, 2025 | Apr 14, 2025 |
Scoring breakdown
How each dimension compares
Price
DeepSeek: DeepSeek V3.1 Terminus leadsDeepSeek: DeepSeek V3.1 Terminus
$0.79/M tokens
OpenAI: GPT-4.1 Mini
$2/M tokens
Context Window
OpenAI: GPT-4.1 Mini leadsDeepSeek: DeepSeek V3.1 Terminus
164K tokens
OpenAI: GPT-4.1 Mini
1.0M tokens
Capabilities
DeepSeek: DeepSeek V3.1 Terminus
2/4
OpenAI: GPT-4.1 Mini
2/4
Max Output
OpenAI: GPT-4.1 Mini leadsDeepSeek: DeepSeek V3.1 Terminus
N/A
OpenAI: GPT-4.1 Mini
33K tokens
Recency
DeepSeek: DeepSeek V3.1 Terminus
Sep 2025
OpenAI: GPT-4.1 Mini
Apr 2025
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