Specifications & Benchmarks
| GPT-5.4 | Mercury 2 | |
|---|---|---|
| General | ||
| Provider | OpenAI | Inception |
| Context Length | 1,050,000 tokens | 128,000 tokens |
| Capabilities | ||
| Reasoning | ||
| Vision | ||
| Image Generation | ||
| Video Generation | ||
Why Pay for Multiple Subscriptions?
Comparing GPT-5.4 from OpenAI with Mercury 2 from Inception? Instead of managing separate API keys and subscriptions, get both with Writingmate.
| Plan | Price | GPT-5.4 | Mercury 2 | AI Images | AI Video |
|---|---|---|---|---|---|
ChatGPT Plus GPT-5.2 (limited) | $20/mo | DALL-E | Sora (limited) | ||
Inception | Varies | — | — | ||
Writingmate Pro Most popular | $20/mo | Nano Banana Pro, FLUX.2, DALL-E & more | Sora 2, VEO 3.1 | ||
Writingmate Ultimate Power users | $60/mo | Nano Banana Pro, FLUX.2, DALL-E & more | Sora 2, VEO 3.1 |