token.app › Compare › GPT Chat Latest vs Mercury 3
GPT Chat Latest vs Mercury 3
Mercury 3 is 69× cheaper per token on a blended 3:1 basis. Mercury 3 accepts the larger context window (1M).
Head to head
Blended price uses a 3:1 input:output mix
| GPT Chat Latest | Mercury 3 | |
|---|---|---|
| Provider | OpenAI | Inception |
| Input $/1M | $5.00 | $0.100 |
| Output $/1M | $30.00 | $0.350 |
| Blended $/1M | $11.25 | $0.163 |
| Context window | 400K | 1M |
| Max output | 128K | 131K |
| Released | May 2026 | Oct 2026 |
| Licence | Proprietary | Proprietary |
Choose GPT Chat Latest if…
- No clear advantage on the data we hold.
Choose Mercury 3 if…
- Costs less per token — $0.163 vs $11.25 blended
- Larger context window (1M)
- Newer model (released Oct 2026)
FAQ
Which is better, GPT Chat Latest or Mercury 3?
We do not hold independently-run benchmark scores covering both GPT Chat Latest and Mercury 3, so we make no quality claim. Their pricing and specifications are compared on this page.
Is GPT Chat Latest cheaper than Mercury 3?
Mercury 3 is cheaper: $0.163 versus $11.25 per million tokens blended at 3:1 input:output. Input alone: $5.00 vs $0.100. Output alone: $30.00 vs $0.350.
What context windows do GPT Chat Latest and Mercury 3 have?
GPT Chat Latest: 400,000 tokens. Mercury 3: 1,000,000 tokens.
Who makes GPT Chat Latest and Mercury 3?
GPT Chat Latest is made by OpenAI. Mercury 3 is made by Inception.