GPT-4o vs Claude Sonnet 4 vs Gemini 2.5 Flash — Real Cost Comparison (2026)

We track real-time pricing across 300+ AI models. Here's what you're actually paying per 1M tokens right now:

| Model | Input (1M tokens) | Output (1M tokens) |

|-------|-------------------|---------------------|

| GPT-4o | $2.50 | $10.00 |

| Claude Sonnet 4 | $3.00 | $15.00 |

| Gemini 2.5 Flash | $0.15 | $0.60 |

| DeepSeek V3 | $0.27 | $1.10 |

| Llama 4 Maverick | $0.20 | $0.60 |

A few things most people miss:

1. Gemini 2.5 Flash is absurdly cheap for its quality — almost 17x cheaper than GPT-4o on input

2. Claude Sonnet 4 output is the most expensive among mainstream models, but coding quality often justifies it

3. DeepSeek V3 is the best value if you don't need the absolute top-tier reasoning

We built a live pricing dashboard that compares all major models side-by-side:

What models are you using, and are you optimizing for cost or quality? Curious to hear how others are routing their workloads.

5 views