Mistral-Medium-3.5-128B vs Mistral Large 3
Benchmark Performance
Available Benchmarks
| Benchmark | Mistral-Medium-3.5-128B | Mistral Large 3 |
|---|---|---|
| LMArena Text Arenatext-2026-09-01-011508720696 · arena_rating · statistical tie | 1,421.16100% of row best · rating · mistral-medium-3.5; 95% CI [1414.62812191, 1427.69573067]; votes 11017; rank 98 | 1,427.62100% of row best · rating · mistral-large-3; 95% CI [1424.57601414, 1430.66670291]; votes 65336; rank 85 |
| LMArena Vision Arenavision-2026-08-27-011508720696 · arena_rating · statistical tie | 1,222.18100% of row best · rating · mistral-medium-3.5; 95% CI [1212.39755732, 1231.95907443]; votes 5091; rank 67 | 1,226.84100% of row best · rating · mistral-large-3; 95% CI [1216.90651393, 1236.78308197]; votes 4751; rank 66 |
| Overall ResultCounted from the protocol-matched rows above · 2 ties | 0 benchmark winsTied overall | 0 benchmark winsTied overall |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Technical Differences
Side-by-Side Facts
| Field | Mistral-Medium-3.5-128B | Mistral Large 3 |
|---|---|---|
| Developer | Mistral AI | Mistral AI |
| Family | Mistral Medium 3 5 128b | Mistral Large 3 |
| Model | Mistral-Medium-3.5-128B | Mistral Large 3 |
| Version | Mistral-Medium-3.5-128B | Mistral Large 3 |
| Lifecycle | active | active |
| Released | Unknown | 2025-12-02 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image | Text, Image, Document |
| Output modalities | Text | Text |
| Context window | 262,144 | 262,144 |
| Total parameters | 127,704,210,176 | 675,000,000,000 |
| Active parameters | Unknown | 41,000,000,000 |
| License | other | Apache-2.0 |
| Open weights | Yes | Yes |
| API available | Unknown | Yes |
| Self-hostable | Yes | Yes |
| Provider access | Unknown | Mistral AI (Standard), Openrouter (Standard) |
| Capabilities | chat, generation, reasoning, tools | agents, chat, generation, structured_outputs, tools, vision |
13 comparable fields · 7 material differences · Pair passes the primary-source comparison gate
Mistral-Medium-3.5-128B Capabilities
Mistral Large 3 Capabilities
Internal Comparison Graph
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Primary Evidence
Sources and Freshness
Questions
Mistral-Medium-3.5-128B vs Mistral Large 3 FAQs
Is Mistral-Medium-3.5-128B or Mistral Large 3 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Mistral-Medium-3.5-128B and Mistral Large 3, 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 Mistral Large 3?+
Only Mistral Large 3 has a directly sourced input price: $0.50 per million tokens. Only Mistral Large 3 has a directly sourced output price: $1.50 per million tokens.
Which has a larger context window, Mistral-Medium-3.5-128B or Mistral Large 3?+
Neither model has a larger sourced context window in this comparison. Mistral-Medium-3.5-128B is 262,144 and Mistral Large 3 is 262,144.
Which performs better in benchmarks, Mistral-Medium-3.5-128B or Mistral Large 3?+
There is no overall benchmark winner: Neither model leads outside the score tolerance on the verified common benchmarks.
Can Mistral-Medium-3.5-128B or Mistral Large 3 be self-hosted?+
Both models have the same recorded self-hosting status: supported. Mistral-Medium-3.5-128B is open weight; Mistral Large 3 is open weight.
Can Mistral-Medium-3.5-128B and Mistral Large 3 understand images?+
Mistral-Medium-3.5-128B is documented with image input; Mistral Large 3 is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Mistral-Medium-3.5-128B or Mistral Large 3?+
Neither has a larger sourced maximum output. Mistral-Medium-3.5-128B is — and Mistral Large 3 is —.
Do Mistral-Medium-3.5-128B and Mistral Large 3 support reasoning and tool use?+
Mistral-Medium-3.5-128B: reasoning, tool calling, and image input. Mistral Large 3: tool calling and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Mistral-Medium-3.5-128B or Mistral Large 3?+
Mistral-Medium-3.5-128B has 0 sourced provider routes; Mistral Large 3 has 2, so Mistral Large 3 has broader tracked availability.
Which offers better value, Mistral-Medium-3.5-128B or Mistral Large 3?+
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.