Mercury 2 API Benchmarks, Pricing & Provider Data
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Mercury 2 is listed across 1 API provider. Mercury 2 free API options are available from 1 provider. The page also shows measured API speed and first-token latency.
Mercury 2 is an extremely fast reasoning LLM, and the first reasoning diffusion LLM (dLLM). Instead of generating tokens sequentially, Mercury 2 produces and refines multiple tokens in parallel, achie...
Category Performance
Observed-capability estimates with uncertainty reported separately from independent benchmark families.
- Coverage
- 2 / 8
- Methodology
- V3.0
#1Coding51.5Provisional1/4 Measured dimensions
#1Reasoning51.5Provisional1/4 Measured dimensions
Specifications
Input and output token limits for this model, plus how it ranks on long-context understanding.
Features
Rankings
Excels at
Detailed scores
Updated: Sep 1, 2026Speed & latency
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Output speed838.3 tok/s#1 / 77Time to first token3.50 s#62 / 77
Speed & latency
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Pricing
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Input price$0.250/M#45 / 181Output price$0.750/M#34 / 181
Pricing
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Agents
V3.0undefined metric} other undefined metrics}} · No data
No data80% interval30.8–69.20/4 Measured dimensions
Agents
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Coding
V3.0undefined metric} other undefined metrics}} · Provisional
Score51.580% interval35.6–67.51/4 Measured dimensionsSciCode38.7%#100 / 206
Coding
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Reasoning
V3.0undefined metric} other undefined metrics}} · Provisional
Score51.580% interval37.6–65.41/4 Measured dimensionsGPQA77.0%#109 / 213HLE17.1%#88 / 210
Reasoning
V3.0undefined metric} other undefined metrics}} · Provisional
Knowledge
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No data80% interval30.8–69.20/4 Measured dimensions
Knowledge
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Math
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No data80% interval30.8–69.20/4 Measured dimensions
Math
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Multilingual
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No data80% interval30.8–69.20/4 Measured dimensions
Multilingual
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Multimodal
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No data80% interval30.8–69.20/4 Measured dimensions
Multimodal
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Instruction following
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No data80% interval30.8–69.20/4 Measured dimensions
Instruction following
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OpenRouter endpoints
1 endpointsThird-party OpenRouter endpoint data, shown separately from LMSpeed measurements. Some 30-minute live performance fields only appear after syncing with an OpenRouter API key.
| Provider endpoint | Input | Output | 1d uptime | 30m latency | 30m throughput | Context / output |
|---|---|---|---|---|---|---|
Inception inception | $0.250/M | $0.750/M | 100.0% | — | — | undefined tokens / undefined tokens |
Pricing Comparison
Mercury 2 is free to use through 1 provider with no per-token charges.
| Provider | Health | Model Variant | Group | Input ($/M) | Output ($/M) | Speed (t/s) | First token | Audit |
|---|---|---|---|---|---|---|---|---|
91VIP API Free | L1 98% | mercury-2 | default | Free | Free | — | — | — |
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Frequently Asked Questions
- Can I compare Mercury 2 API price and speed together?
- Yes. LMSpeed shows Mercury 2 API price, output speed, first-token latency, and provider health on the same page so you can compare cost and performance together.
- Is Mercury 2 API free?
- Yes, Mercury 2 free API options are available through 1 providerundefined other undefined} on LMSpeed, including 91VIP API. These providers offer free API credits or a free tier with no per-token charges.
- Where can I get Mercury 2 free API access?
- LMSpeed currently lists 1 free API providerundefined other undefined} for Mercury 2: 91VIP API. Check each provider row before using it because free tier limits can change.