Mistral Large 2 vs Sonar Pro
A complete head-to-head: pricing, context window, benchmarks, modality coverage, and openness, with a programmatic verdict synthesized from the underlying data.
Updated
Mistral Large 2 specs · Sonar Pro specs- PriceMistral Large 2
Mistral Large 2 is roughly 2.5× cheaper on output tokens ($6.00 vs $15.00 per 1M).
- Context windowSonar Pro
Sonar Pro accepts 200K tokens vs 128K, 1.6× the room for long documents and codebases.
- BenchmarksTie
No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores.
- ModalitiesTie
Both handle text.
- OpennessMistral Large 2
Mistral Large 2 ships open weights (Mistral Research License); Sonar Pro is API-only.
On balance Mistral Large 2 edges ahead, winning 2 of 5 categories against Sonar Pro's 1. Mistral Large 2 is roughly 2.5× cheaper on output tokens ($6.00 vs $15.00 per 1M). Sonar Pro accepts 200K tokens vs 128K, 1.6× the room for long documents and codebases.
No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores. Both target the same set of modalities (text), so the deciding factors are price, context, and raw quality. Mistral Large 2 ships open weights (Mistral Research License); Sonar Pro is API-only.
Sonar Pro is the newer of the two, released 6 months after Mistral Large 2, which usually means a more recent knowledge cutoff and updated safety post-training. Mistral Large 2 is usually picked for coding llm and multilingual workloads, while Sonar Pro sees more deployments in research agent and rag. If pricing matters more than every last benchmark point, run the numbers in the calculator below before committing.
Side-by-side specs
| Spec | Mistral Large 2 | Sonar Pro |
|---|---|---|
| Provider | Mistral | Perplexity |
| Released | Jul 2024 | Jan 2025 |
| Modalities | text | text |
| Context window | 128K tokens | 200K tokens |
| Max output | , | , |
| Input · 1M | $2.00 / 1M tokens | $3.00 / 1M tokens |
| Output · 1M | $6.00 / 1M tokens | $15.00 / 1M tokens |
| Knowledge cutoff | 2024-04 | , |
| Open weights | Yes (Mistral Research License) | No |
| API available | Yes | Yes |
Pricing at scale
What you'd actually pay at typical workloads. Numbers come from each model's published per-million-token rates.
- Light usage, 100k in / 50k out per day$15.00 vs $31.50
- Heavy usage, 1M in / 500k out per day$150 vs $315
- RAG workload, 5M in / 200k out per day$336 vs $540
Light usage, 100k in / 50k out per day: $15.00 vs $31.50 per month, model A comes out ahead. Heavy usage, 1M in / 500k out per day: $150 vs $315 per month, model A comes out ahead. RAG workload, 5M in / 200k out per day: $336 vs $540 per month, model A comes out ahead.
Estimated spend for the listed models at your usage. Numbers are derived from each model's published per-million-token rates.
- Mistral Large 2$0.500
- Sonar Pro$1.05
Benchmarks compared
Only sourced numbers. Where a benchmark is missing for one model we show the available value rather than fabricating the other.
- MMLU84.0
- HumanEval92.0
Mistral Large 2 fits when…
- Strong code and math
- EU data residency
- Multilingual
- Cost-sensitive workloads, 2.5× cheaper than Sonar Pro on output tokens.
- Self-hosting and on-prem requirements, open weights (Mistral Research License).
Sonar Pro fits when…
- Multi-step web search
- Deep research output
- Citations
- Long-context tasks, handles 200K tokens vs 128K for Mistral Large 2.
Consider Mistral Medium
Mistral's mid-tier balanced model, production-ready at competitive pricing.
Frequently asked
Is Mistral Large 2 or Sonar Pro cheaper?
Mistral Large 2 is cheaper at $6.00 / 1M tokens per million output tokens, vs $15.00 / 1M tokens for Sonar Pro.Which has the larger context window?
Sonar Pro accepts 200K tokens vs 128K for Mistral Large 2.Is Mistral Large 2 or Sonar Pro better for coding?
Both Mistral Large 2 and Sonar Pro are competitive on coding benchmarks. See each model's individual spec page for HumanEval and SWE-bench scores where published. For an opinionated pick, consult our Best LLM for Coding ranking.Are either of these models open source?
Mistral Large 2 ships open weights (Mistral Research License). Sonar Pro is API-only.When were Mistral Large 2 and Sonar Pro released?
Mistral Large 2 was released by Mistral on 2024-07-24. Sonar Pro was released by Perplexity on 2025-01-21.
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