Nova 2 Pro vs Voxtral Mini 3B 2507 vs Nemotron VoiceChat
Nova 2 Pro comes out ahead, 86 to 65 and 61 on our weighted score.
- 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
NVIDIANemotron VoiceChat
65/100- ECI—
- PriceFree / Free
- Context128K
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 priceNova 2 Pro and Nemotron VoiceChatNova 2 Pro Free · Nemotron VoiceChat 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 ProNova 2 Pro: Text, Images, PDFs, Video · Voxtral Mini 3B 2507: Text, Audio · Nemotron VoiceChat: Text, Audio
- Self-hostingVoxtral Mini 3B 2507 and Nemotron VoiceChatPublishes downloadable weights (Apache 2.0)
| Measure | Weight | Nova 2 Pro | Voxtral Mini 3B 2507 | Nemotron VoiceChat |
|---|---|---|---|---|
| Price | 50% | 100 | 100 | 100 |
| Inputs & features | 30% | 80 | 35 | 35 |
| Context window | 20% | 60 | 0 | 24 |
| Overall | 100% | 86/100 | 61/100 | 65/100 |
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 | Nova 2 ProAmazon | Voxtral Mini 3B 2507Mistral AI | Nemotron VoiceChatNVIDIA |
|---|---|---|---|
| Capability | |||
| Capabilities Index (ECI) | — | — | — |
| ECI rank | — | — | — |
| Price per million tokens | |||
| Input | Free (best) | $0.04 | Free (best) |
| Output | Free (best) | $0.04 | Free (best) |
| Cached input | — | — | — |
| Blended (3:1) | Free (best) | $0.04 | Free (best) |
| Long-context rate | Same rate | Same rate | Same rate |
| Price source | Official Nova API | Median of 2 providers | Official Nvidia API |
| Limits | |||
| Context window | 1,000,000 tokens (best) | 32,768 tokens | 128,000 tokens |
| Max output | 64,000 tokens (best) | 32,768 tokens | 8,192 tokens |
| Inputs and features | |||
| Text | Yes | Yes | Yes |
| Images | Yes | No | No |
| PDFs | Yes | No | No |
| Audio | No | Yes | Yes |
| Video | Yes | No | No |
| Reasoning | Yes | No | No |
| Tool calling | Yes | Yes | Yes |
| Structured output | No | No | No |
| Availability | |||
| Weights | Proprietary | OpenApache 2.0 | Open |
| API model ID | nova-2-pro-v1 | — | nvidia/nemotron-voicechat |
| API providers | 1 | 3 (best) | 1 |
| Released | Dec 3, 2025 | Jul 15, 2025 | Mar 16, 2026 |
| 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.
- Nova 2 ProFree
- Voxtral Mini 3B 2507$0.48
- Nemotron VoiceChatFree
Which should you choose?
Which is better: Nova 2 Pro, Voxtral Mini 3B 2507 or Nemotron VoiceChat?
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, Nova 2 Pro, Voxtral Mini 3B 2507 or Nemotron VoiceChat?
Nova 2 Pro is cheaper at Free input / Free output per million tokens (official Nova API price). Nemotron VoiceChat costs Free input / Free output per million tokens (official Nvidia API price); Voxtral Mini 3B 2507 costs $0.04 input / $0.04 output per million tokens (median across 2 API providers). Nova 2 Pro is listed as free.
Which scores higher on benchmarks?
There is no independent benchmark that covers all three models yet. Nova 2 Pro has not been scored yet, Voxtral Mini 3B 2507 has not been scored yet and Nemotron VoiceChat has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for Nova 2 Pro, Voxtral Mini 3B 2507 and Nemotron VoiceChat 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: Nova 2 Pro up to 64,000, Voxtral Mini 3B 2507 up to 32,768, Nemotron VoiceChat up to 8,192 tokens.
Which can read images, PDFs, audio or video?
Nova 2 Pro accepts text, images, PDFs and video; Voxtral Mini 3B 2507 accepts text and audio; Nemotron VoiceChat accepts text and audio. Nova 2 Pro handles the widest range of inputs.
Are any of these open source?
Voxtral Mini 3B 2507 and Nemotron VoiceChat 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.
