Detailed comparison of Gpt 5 and Deepseek AI models — pricing, context window, parameters, and more. Updated for 2026.
| Model | Context | Parameters | Input Price | Output Price | Tier |
|---|---|---|---|---|---|
| OpenAI: GPT-5.6 Luna Pro | 1050K | N/A | $0.20 | $1.20 | standard |
| OpenAI: GPT-5.6 Luna Pro (batch) | 1050K | N/A | $0.10 | $0.60 | budget |
| OpenAI: GPT-5.6 Luna | 1050K | N/A | $0.20 | $1.20 | standard |
| OpenAI: GPT-5.6 Luna (batch) | 1050K | N/A | $0.10 | $0.60 | budget |
| OpenAI: GPT-5.6 Terra Pro | 1050K | N/A | $2.00 | $12.00 | premium |
| OpenAI: GPT-5.6 Terra Pro (batch) | 1050K | N/A | $1.00 | $6.00 | standard |
| OpenAI: GPT-5.6 Terra | 1050K | N/A | $2.00 | $12.00 | premium |
| OpenAI: GPT-5.6 Terra (batch) | 1050K | N/A | $1.00 | $6.00 | standard |
| OpenAI: GPT-5.6 Sol Pro | 1050K | N/A | $2.00 | $10.00 | standard |
| OpenAI: GPT-5.6 Sol Pro (batch) | 1050K | N/A | $1.00 | $5.00 | standard |
| Model | Context | Parameters | Input Price | Output Price | Tier |
|---|---|---|---|---|---|
| DeepSeek: DeepSeek Pro Latest | 1049K | N/A | $0.24 | $0.73 | budget |
| DeepSeek: DeepSeek Flash Latest | 1040K | N/A | $0.04 | $0.29 | budget |
| DeepSeek: DeepSeek V4.1 Flash | 1040K | 8B | $0.04 | $0.29 | budget |
| DeepSeek: DeepSeek V4.1 Flash (batch) | 1049K | 8B | $0.11 | $0.34 | budget |
| DeepSeek: DeepSeek V4 Flash Vision Exp | 1049K | N/A | $0.22 | $0.65 | budget |
| DeepSeek: DeepSeek V4 Pro 0813 | 1049K | N/A | $0.25 | $3.50 | standard |
| DeepSeek: DeepSeek V4 Flash Latest | 1049K | N/A | $0.02 | $0.32 | budget |
| DeepSeek: DeepSeek V4 Flash 0731 | 1049K | 13B | $0.02 | $0.32 | budget |
| DeepSeek: DeepSeek V4 Pro 0423 | 1024K | 49B | $0.35 | $0.70 | budget |
| DeepSeek: DeepSeek V4 Flash 0423 | 1049K | 284B | $0.05 | $0.09 | budget |
Verdict computed from live catalog data (latest Gpt 5 and Deepseek models), so it stays current as providers update pricing and specs.
Choosing between Gpt 5 and Deepseek depends on your specific needs. Both are powerful AI models with different strengths. With CoreAI, you don't have to choose — you get access to both Gpt 5 and Deepseek, along with 300+ other AI models, all under one subscription.
Use CoreAI's Compare feature to send the same prompt to both Gpt 5 and Deepseek simultaneously and see their responses side-by-side. This is the best way to determine which AI model works better for your specific use case.
Send the same prompt to both models and see real responses side-by-side.