Mistral Medium 3.5 128B vs GPT-4.1 Mini

At a Glance

Compare
Pricing and Limits
Input priceFrom · USD / 1M tokensNot reported$0.20Openrouter · Sep 3, 2026
Output priceFrom · USD / 1M tokensNot reported$0.80Openrouter · Sep 3, 2026
Context windowMaximum documented tokens262K1,048K
Model facts checkedAug 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

All benchmark results →
BenchmarkMistral-Medium-3.5-128BGPT-4.1 Mini
LMArena Text Arenatext-2026-09-13-d25aabda0010 · arena_rating · leader1,420.58100% of row best · rating · mistral-medium-3.5; 95% CI [1414.04225396, 1427.11615611]; votes 10996; rank 1041,340.2194% of row best · rating · gpt-4.1-mini-2025-04-14; 95% CI [1335.90652651, 1344.51787032]; votes 38631; rank 199
LMArena Vision Arenavision-2026-09-13-d25aabda0010 · arena_rating · leader1,222.05100% of row best · rating · mistral-medium-3.5; 95% CI [1212.30064904, 1231.79518832]; votes 5090; rank 711,181.0697% of row best · rating · gpt-4.1-mini-2025-04-14; 95% CI [1173.58575943, 1188.53044654]; votes 40274; rank 88
Overall ResultCounted from the protocol-matched rows above2 benchmark winsNo overall winner0 benchmark winsNo overall winner

Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.

Side-by-Side Facts

FieldMistral-Medium-3.5-128BGPT-4.1 Mini
DeveloperMistral AIOpenAI
FamilyMistral Medium 3 5 128bGpt 4 1
ModelMistral-Medium-3.5-128BGPT-4.1 Mini
VersionMistral-Medium-3.5-128BGPT-4.1 Mini
Lifecycleactiveactive
ReleasedUnknownUnknown
Knowledge cutoffUnknown2024-06-01
Input modalitiesText, ImageText, Image
Output modalitiesTextText
Context window262K1,048K
Total parameters127.7BUnknown
Active parametersUnknownUnknown
LicenseotherUnknown
Open weightsYesNo
API availableUnknownYes
Self-hostableYesNo
Provider accessUnknownOpenai (Standard), Openrouter (Standard)
Capabilitieschat, generation, reasoning, toolschat, generation, tools

Mistral Medium 3.5 128B Capabilities

chatgenerationreasoningtools
Serving providers0
Canonical IDmistralai/Mistral-Medium-3.5-128B

GPT-4.1 Mini Capabilities

chatgenerationtools
Serving providers2
Canonical IDopenai/gpt-4.1-mini

Primary Evidence

Sources and Freshness

Questions

Mistral Medium 3.5 128B vs GPT-4.1 Mini FAQs

Is Mistral Medium 3.5 128B or GPT-4.1 Mini better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both Mistral Medium 3.5 128B and GPT-4.1 Mini, 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 GPT-4.1 Mini?+

Only GPT-4.1 Mini has a directly sourced input price: $0.20 per million tokens. Only GPT-4.1 Mini has a directly sourced output price: $0.80 per million tokens.

Which has a larger context window, Mistral Medium 3.5 128B or GPT-4.1 Mini?+

GPT-4.1 Mini has the larger sourced context window. Mistral Medium 3.5 128B supports 262K and GPT-4.1 Mini supports 1,048K.

Which performs better in benchmarks, Mistral Medium 3.5 128B or GPT-4.1 Mini?+

There is no overall benchmark winner: An overall winner requires at least two decisive benchmarks from at least two original publishers.

Can Mistral Medium 3.5 128B or GPT-4.1 Mini 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; GPT-4.1 Mini is not marked open weight.

Can Mistral Medium 3.5 128B and GPT-4.1 Mini understand images?+

Mistral Medium 3.5 128B is documented with image input; GPT-4.1 Mini is documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, Mistral Medium 3.5 128B or GPT-4.1 Mini?+

Neither has a larger sourced maximum output. Mistral Medium 3.5 128B is — and GPT-4.1 Mini is 33K.

Do Mistral Medium 3.5 128B and GPT-4.1 Mini support reasoning and tool use?+

Mistral Medium 3.5 128B: reasoning, tool calling, and image input. GPT-4.1 Mini: 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 GPT-4.1 Mini?+

Mistral Medium 3.5 128B has 0 sourced provider routes; GPT-4.1 Mini has 2, so GPT-4.1 Mini has broader tracked availability.

Which offers better value, Mistral Medium 3.5 128B or GPT-4.1 Mini?+

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.

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