Nemotron VoiceChat vs Nova 2 Pro vs Voxtral Mini 3B 2507
Nova 2 Pro comes out ahead, 86 to 65 and 61 on our weighted score.
NVIDIANemotron VoiceChat
65/100- ECI—
- PriceFree / Free
- Context128K
- Our pick
AmazonNova 2 Pro
86/100- ECI—
- PriceFree / Free
- Context1M
Mistral AIVoxtral Mini 3B 2507
61/100- ECI—
- Price$0.04 / $0.04
- Context33K
Nova 2 Pro is our pick
Nova 2 Pro is the better all-round choice, scoring 86/100 against Nemotron VoiceChat (65) and Voxtral Mini 3B 2507 (61). It leads on inputs & features and context window. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
- CapabilityNot enough dataNo independent benchmark covers every model here yet
- Lowest priceNemotron VoiceChat and Nova 2 ProNemotron VoiceChat Free · Nova 2 Pro Free · Voxtral Mini 3B 2507 $0.04 per 1M tokens (3:1 blend)
- Longest contextNova 2 ProNova 2 Pro 1,000,000 · Nemotron VoiceChat 128,000 · Voxtral Mini 3B 2507 32,768 tokens
- Widest inputsNova 2 ProNemotron VoiceChat: Text, Audio · Nova 2 Pro: Text, Images, PDFs, Video · Voxtral Mini 3B 2507: Text, Audio
- Self-hostingNemotron VoiceChat and Voxtral Mini 3B 2507Publishes downloadable weights (Apache 2.0)
| Measure | Weight | Nemotron VoiceChat | Nova 2 Pro | Voxtral Mini 3B 2507 |
|---|---|---|---|---|
| Price | 50% | 100 | 100 | 100 |
| Inputs & features | 30% | 35 | 80 | 35 |
| Context window | 20% | 24 | 60 | 0 |
| Overall | 100% | 65/100 | 86/100 | 61/100 |
Left out because at least one model lacks the data: capability. The remaining weights were rescaled.
Every spec in one table
Highlighted cells lead their row. Dashes mean the data is not published.
| Specification | Nemotron VoiceChatNVIDIA | Nova 2 ProAmazon | Voxtral Mini 3B 2507Mistral AI |
|---|---|---|---|
| Capability | |||
| Capabilities Index (ECI) | — | — | — |
| ECI rank | — | — | — |
| Price per million tokens | |||
| Input | Free (best) | Free (best) | $0.04 |
| Output | Free (best) | Free (best) | $0.04 |
| Cached input | — | — | — |
| Blended (3:1) | Free (best) | Free (best) | $0.04 |
| Long-context rate | Same rate | Same rate | Same rate |
| Price source | Official Nvidia API | Official Nova API | Median of 2 providers |
| Limits | |||
| Context window | 128,000 tokens | 1,000,000 tokens (best) | 32,768 tokens |
| Max output | 8,192 tokens | 64,000 tokens (best) | 32,768 tokens |
| Inputs and features | |||
| Text | Yes | Yes | Yes |
| Images | No | Yes | No |
| PDFs | No | Yes | No |
| Audio | Yes | No | Yes |
| Video | No | Yes | No |
| Reasoning | No | Yes | No |
| Tool calling | Yes | Yes | Yes |
| Structured output | No | No | No |
| Availability | |||
| Weights | Open | Proprietary | OpenApache 2.0 |
| API model ID | nvidia/nemotron-voicechat | nova-2-pro-v1 | — |
| API providers | 1 | 1 | 3 (best) |
| Released | Mar 16, 2026 | Dec 3, 2025 | Jul 15, 2025 |
| Knowledge cutoff | — | — | — |
What would a month cost?
Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.
- Nemotron VoiceChatFree
- Nova 2 ProFree
- Voxtral Mini 3B 2507$0.48
Which should you choose?
Which is better: Nemotron VoiceChat, Nova 2 Pro or Voxtral Mini 3B 2507?
Nova 2 Pro is the better all-round choice, scoring 86/100 against Nemotron VoiceChat (65) and Voxtral Mini 3B 2507 (61). It leads on inputs & features and context window. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
Which is cheaper, Nemotron VoiceChat, Nova 2 Pro or Voxtral Mini 3B 2507?
Nemotron VoiceChat is cheaper at Free input / Free output per million tokens (official Nvidia API price). Nova 2 Pro costs Free input / Free output per million tokens (official Nova API price); Voxtral Mini 3B 2507 costs $0.04 input / $0.04 output per million tokens (median across 2 API providers). Nemotron VoiceChat is listed as free.
Which scores higher on benchmarks?
There is no independent benchmark that covers all three models yet. Nemotron VoiceChat has not been scored yet, Nova 2 Pro has not been scored yet and Voxtral Mini 3B 2507 has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for Nemotron VoiceChat, Nova 2 Pro and Voxtral Mini 3B 2507 yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. All three support tool calling for agent workflows.
Which has the bigger context window?
Nova 2 Pro has the largest context window at 1,000,000 tokens, against 128,000 for Nemotron VoiceChat and 32,768 for Voxtral Mini 3B 2507. Maximum output per response: Nemotron VoiceChat up to 8,192, Nova 2 Pro up to 64,000, Voxtral Mini 3B 2507 up to 32,768 tokens.
Which can read images, PDFs, audio or video?
Nemotron VoiceChat accepts text and audio; Nova 2 Pro accepts text, images, PDFs and video; Voxtral Mini 3B 2507 accepts text and audio. Nova 2 Pro handles the widest range of inputs.
Are any of these open source?
Nemotron VoiceChat and Voxtral Mini 3B 2507 publishes its weights (Apache 2.0) and can be self-hosted; Nova 2 Pro is proprietary.
Which is newer?
Nemotron VoiceChat is the newest, released Mar 16, 2026. Nova 2 Pro came out Dec 3, 2025; Voxtral Mini 3B 2507 came out Jul 15, 2025.
How do you decide the winner?
Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Nov 2, 2026.
