Mistral Medium 3.5 128B vs Sonar Pro
At a Glance
| Compare |  Mistral Medium 3.5 128BMistral AI |  Sonar ProPerplexity |
|---|---|---|
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | Not reported | $3.00Openrouter ↗ · Sep 22, 2026 |
| Output priceFrom · USD / 1M tokens | Not reported | $15.00Openrouter ↗ · Sep 22, 2026 |
| Context windowMaximum documented tokens | 262K | 200K |
| Model facts checked | Aug 28, 2026View model evidence → | Aug 29, 2026View model evidence → |
Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →
Available Benchmarks
Side-by-Side Facts
| Field | Mistral-Medium-3.5-128B | Sonar Pro |
|---|---|---|
| Developer | Mistral AI | Perplexity |
| Family | Mistral Medium 3 5 128b | Sonar |
| Model | Mistral-Medium-3.5-128B | Sonar Pro |
| Version | Mistral-Medium-3.5-128B | Sonar Pro |
| Lifecycle | active | active |
| Released | Unknown | Unknown |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |
| Context window | 262K | 200K |
| Total parameters | 127.7B | Unknown |
| Active parameters | Unknown | Unknown |
| License | other | Unknown |
| Open weights | Yes | No |
| API available | Unknown | Yes |
| Self-hostable | Yes | No |
| Provider access | Unknown | Openrouter (Standard), Perplexity (Standard) |
| Capabilities | chat, generation, reasoning, tools | chat, citations, search |
Mistral Medium 3.5 128B Capabilities
Sonar Pro Capabilities
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Primary Evidence
Sources and Freshness
Questions
Mistral Medium 3.5 128B vs Sonar Pro FAQs
Is Mistral Medium 3.5 128B or Sonar Pro better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Mistral Medium 3.5 128B and Sonar Pro, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Mistral Medium 3.5 128B or Sonar Pro?+
Only Sonar Pro has a directly sourced input price: $3.00 per million tokens. Only Sonar Pro has a directly sourced output price: $15.00 per million tokens.
Which has a larger context window, Mistral Medium 3.5 128B or Sonar Pro?+
Mistral Medium 3.5 128B has the larger sourced context window. Mistral Medium 3.5 128B supports 262K and Sonar Pro supports 200K.
Which performs better in benchmarks, Mistral Medium 3.5 128B or Sonar Pro?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Mistral Medium 3.5 128B or Sonar Pro be self-hosted?+
Mistral Medium 3.5 128B is the only model in this pair currently marked as self-hostable. Mistral Medium 3.5 128B is open weight; Sonar Pro is not marked open weight.
Can Mistral Medium 3.5 128B and Sonar Pro understand images?+
Mistral Medium 3.5 128B is documented with image input; Sonar Pro is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Mistral Medium 3.5 128B or Sonar Pro?+
Neither has a larger sourced maximum output. Mistral Medium 3.5 128B is — and Sonar Pro is —.
Do Mistral Medium 3.5 128B and Sonar Pro support reasoning and tool use?+
Mistral Medium 3.5 128B: reasoning, tool calling, and image input. Sonar Pro: none of these features are definitively sourced. Feature support does not establish relative quality.
Which is available from more inference providers, Mistral Medium 3.5 128B or Sonar Pro?+
Mistral Medium 3.5 128B has 0 sourced provider routes; Sonar Pro has 2, so Sonar Pro has broader tracked availability.
Which offers better value, Mistral Medium 3.5 128B or Sonar Pro?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.