GPT-Live-1 vs Mercury 3
GPT-Live-1 significantly outperforms across most benchmarks.
OpenAI · Inception · Updated for 2026
Which is better?
GPT-Live-1 and Mercury 3 trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.
In the 1 individual benchmarks reported for both models, GPT-Live-1 wins 1; this is a narrower head-to-head signal than the composite indexes.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose GPT-Live-1
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
Choose Mercury 3
- you want the most recent training data — it shipped Oct 2026
At a glance
The differences that matter most.
Individual benchmarks
2 reported for GPT-Live-1 · 12 for Mercury 3
GPT-Live-1 outperforms in 1 benchmarks (Tau3 Banking), while Mercury 3 is better at 0 benchmarks.
GPT-Live-1 significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Context Window
Maximum input and output token capacity
Only Mercury 3 specifies input context (1,000,000 tokens). Only Mercury 3 specifies output context (131,072 tokens).
Input capabilities
Documented input modalities across available providers
GPT-Live-1 supports multimodal inputs, whereas Mercury 3 does not.
GPT-Live-1 can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-Live-1
Mercury 3
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
GPT-Live-1 was released on 2026-09-10, while Mercury 3 was released on 2026-10-19.
Mercury 3 is 1 month newer than GPT-Live-1.
Sep 10, 2026
1 months ago
Oct 19, 2026
2 weeks ago
1mo newerKnowledge Cutoff
When training data ends
GPT-Live-1 has a documented knowledge cutoff of 2025-07-31, while Mercury 3's cutoff date is not specified.
We can confirm GPT-Live-1's training data extends to 2025-07-31, but cannot make a direct comparison without Mercury 3's cutoff date.
Jul 2025
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Provider Availability
GPT-Live-1 is available from OpenAI. Mercury 3 is available from Inception.
GPT-Live-1
Mercury 3
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-Live-1 and Mercury 3 side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-Live-1 vs Mercury 3.