Mercury 3
Released Oct 2026. Proprietary, available through the provider's API.
Mercury 3 is built by Inception and has 12 benchmark results tracked in the public leaderboard. It does not support multimodal input, with a context window of 1M tokens. At the blended 8:1 input-to-output rate, it costs $0.13 per million tokens and delivers about 1068 tokens per second.
Where Mercury 3 ranks
The chart below ranks every model in the comparison by overall capability, which is the average of a model's scores across the eight workload axes. Mercury 3 is the red bar. This is the single number to check first: it tells you where the model sits in the current pecking order before you dig into the detail.
Workload strengths
Each row below is the average normalized score across every benchmark tagged with that workload category. A higher number means the model performs better on that kind of task relative to the maximum possible score on those benchmarks. Categories where the model has no published results are shown as n/a.
| Workload | Index (0–1) |
|---|---|
| Reasoning | 67% |
| Coding | 49% |
| Agents | 40% |
| Math | n/a |
| Vision | n/a |
| Long Context | 77% |
| Writing | n/a |
| Knowledge | 65% |
How Mercury 3 stacks up against every other model
Below is every head-to-head comparison involving Mercury 3. Each card shows the win/loss tally across all workload axes and headline benchmarks. Tap any matchup for the full breakdown with per-benchmark scores, pricing, and workload recommendations.
Mercury 3vs Gemini 4 Argon
Gemini 4 Argon leads 6–2
Mercury 3vs Claude Sonnet 5.5
Claude Sonnet 5.5 leads 7–2
Mercury 3vs GPT-6.1 Sol
GPT-6.1 Sol leads 6–3
Mercury 3vs Gemini 4 Argon
Gemini 4 Argon leads 6–2
Mercury 3vs Claude Sonnet 5.5
Claude Sonnet 5.5 leads 7–2
Mercury 3vs GPT-6.1 Sol
GPT-6.1 Sol leads 6–3
Mercury 3vs Mistral Large 4
Mistral Large 4 leads 5–4
Mercury 3vs Claude Haiku 5.5
Claude Haiku 5.5 leads 5–4
Mercury 3vs Muse Spark Open
Muse Spark Open leads 5–4
Mercury 3vs Nemotron 3.5 Super VL (120B A12B)
Nemotron 3.5 Super VL (120B A12B) leads 7–3
Mercury 3vs Beam 1.0
Beam 1.0 leads 8–3
Mercury 3vs Muse Wonder Full
Muse Wonder Full leads 5–3
Mercury 3vs Mistral Large 4
Mistral Large 4 leads 5–4
Mercury 3vs Claude Haiku 5.5
Claude Haiku 5.5 leads 5–4
Mercury 3vs Muse Spark Open
Muse Spark Open leads 5–4
Mercury 3vs Nemotron 3.5 Super VL (120B A12B)
Nemotron 3.5 Super VL (120B A12B) leads 7–3
Mercury 3vs Beam 1.0
Beam 1.0 leads 8–3
Mercury 3vs Muse Wonder Full
Muse Wonder Full leads 5–3
Choose a matchup above, or start from the hub to pick any two models.