DeepSeek: R1 vs OpenAI: GPT-5.1-Codex-Mini
Side-by-side comparison of DeepSeek: R1 and OpenAI: GPT-5.1-Codex-Mini. Compare pricing, context window, capabilities, and find out which is better for your workflow.
Verdict
strong confidenceOpenAI: GPT-5.1-Codex-Mini leads overall
OpenAI: GPT-5.1-Codex-Mini leads in price and context window and capabilities and max output, making it the stronger choice for most workflows. DeepSeek: R1 remains a solid alternative depending on your specific needs.
Best for with DeepSeek: R1
Best for with OpenAI: GPT-5.1-Codex-Mini
Side-by-side
Technical specifications
| DeepSeek: R1 | OpenAI: GPT-5.1-Codex-Mini | |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Input price | $0.70/M | $0.25/M |
| Output price | $3/M | $2/M |
| Context window | 64K | 400K |
| Max output | 16K | 100K |
| Capabilities | Tool useReasoning | Tool useVisionReasoning |
| Released | Jan 20, 2025 | Nov 13, 2025 |
Scoring breakdown
How each dimension compares
Price
OpenAI: GPT-5.1-Codex-Mini leadsDeepSeek: R1
$3/M tokens
OpenAI: GPT-5.1-Codex-Mini
$2/M tokens
Context Window
OpenAI: GPT-5.1-Codex-Mini leadsDeepSeek: R1
64K tokens
OpenAI: GPT-5.1-Codex-Mini
400K tokens
Capabilities
OpenAI: GPT-5.1-Codex-Mini leadsDeepSeek: R1
2/4
OpenAI: GPT-5.1-Codex-Mini
3/4
Max Output
OpenAI: GPT-5.1-Codex-Mini leadsDeepSeek: R1
16K tokens
OpenAI: GPT-5.1-Codex-Mini
100K tokens
Recency
DeepSeek: R1
Jan 2025
OpenAI: GPT-5.1-Codex-Mini
Nov 2025
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