AI model comparison

Trinity Large Thinking vs Mistral Small 4

Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.

Trinity Large Thinking is a powerful open source reasoning model from the team at Arcee AI. It shows strong performance in PinchBench, agentic workloads, and reasoning tasks.

Input / 1M
$0.25
Output / 1M
$0.80
Context
262K

Mistral Small 4 is the next major release in the Mistral Small family, unifying the capabilities of several flagship Mistral models into a single system.

Input / 1M
$0.15
Output / 1M
$0.60
Context
262K

At a glance

Quick verdict

How the two models stack up on the things people ask about most.

Lower price

mistralai logo

Mistral Small 4

1.5x cheaper for a typical chat

Higher intelligence score

mistralai logo

Mistral Small 4

11.3 vs 10.8 on Artificial Analysis

Larger context window

Tie

262K vs 262K tokens

Newer release

arcee-ai logo

Trinity Large Thinking

Released April 1, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

arcee-ai logoTrinity Large Thinking10.8
mistralai logoMistral Small 411.3

Coding index

arcee-ai logoTrinity Large Thinking25.8
mistralai logoMistral Small 426.6

Agentic index

arcee-ai logoTrinity Large Thinking1
mistralai logoMistral Small 40.8

Pricing

Trinity Large Thinking vs Mistral Small 4 API pricing

Per-token API rates. Cheaper option highlighted.

Metricarcee-ai logoTrinity Large Thinkingmistralai logoMistral Small 4
Input tokensPer 1M tokens$0.25$0.15
Output tokensPer 1M tokens$0.80$0.60
Cached input (read)Per 1M tokens$0.06$0.02
Cache writePer 1M tokensNot availableNot available

What it costs in practice

Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.

Chat message

2K in, 500 out

arcee-ai logoTrinity Large Thinking$0.90
mistralai logoMistral Small 4$0.60

Coding task

30K in, 4K out

arcee-ai logoTrinity Large Thinking$10.70$5 cached
mistralai logoMistral Small 4$6.90$2.85 cached

Long document summary

150K in, 2K out

arcee-ai logoTrinity Large Thinking$39.10$10.60 cached
mistralai logoMistral Small 4$23.70$3.45 cached

Specs

Context window and capabilities

How much each model can read, how much it can write, and what it accepts as input.

Metricarcee-ai logoTrinity Large Thinkingmistralai logoMistral Small 4
Context window262K tokens262K tokens
Max output80K tokens210K tokens
Input typesTextImage, Text
Output typesTextText
Reasoning effort levelsNot availableHigh, None
Default reasoning effortNot availableHigh
Release dateApril 1, 2026March 16, 2026

Features

Supported features

API features available for each model.

Metricarcee-ai logoTrinity Large Thinkingmistralai logoMistral Small 4
Tool callingSupportedSupported
Structured outputsNot supportedSupported
JSON modeNot supportedSupported
ReasoningSupportedSupported
TemperatureSupportedSupported
Stop sequencesNot supportedSupported
Deterministic seedNot supportedSupported
Verbosity controlNot supportedNot supported

Our take

Mistral Small 4 is 1.5x cheaper for a typical chat. Mistral Small 4 scores higher on the Artificial Analysis Intelligence Index (11.3 vs 10.8). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.

FAQ

Frequently asked questions

Is Trinity Large Thinking or Mistral Small 4 cheaper?

Mistral Small 4 is cheaper for a typical chat (2K input tokens and 500 output tokens). Mistral Small 4 costs $0.15 per 1M input tokens and $0.60 per 1M output tokens, while Trinity Large Thinking costs $0.25 per 1M input tokens and $0.80 per 1M output tokens.

Which has a bigger context window, Trinity Large Thinking or Mistral Small 4?

Trinity Large Thinking supports up to 262K tokens of context, compared with 262K for Mistral Small 4.

Is Trinity Large Thinking smarter than Mistral Small 4?

On the Artificial Analysis Intelligence Index, Trinity Large Thinking scores 10.8 and Mistral Small 4 scores 11.3, putting Mistral Small 4 ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use Trinity Large Thinking and Mistral Small 4 at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Trinity Large Thinking and Mistral Small 4 answer side by side and keep the better response.

arcee-ai logomistralai logo

Why choose? Ask both.

Send one prompt to Trinity Large Thinking and Mistral Small 4 at the same time. Compare the answers side by side and keep the best one.