Mistral Small 3.1 24B vs Mistral Small 4
Pick up to 3 models · pricing, context and capabilities · simulate your product cost
Data updated on November 14, 2026· 230 models
Mistral Small 3.1 24B Instruct is an upgraded variant of Mistral Small 3 (2501), featuring 24 billion parameters with advanced multimodal capabilities.
- Reasoning estimated
- Speed estimated
- Input
- Output
- Context
- 128 K tokens
- Max output
- 102 K
- Input, $ per 1M tokens
- $0.351
- Output, $ per 1M tokens
- ▲$0.555
- Cache read, $ per 1M
- —
- Batch (input / output)
- —
- Tool calling
- Yes
- Released
- 03/17/2025
- Knowledge cutoff
- —
- API id
- mistralai/mistral-small-3.1-24b-instruct
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.
- Reasoning estimated
- ▲
- Speed estimated
- Input
- Output
- Context
- ▲262 K tokens
- Max output
- ▲210 K
- Input, $ per 1M tokens
- ▲$0.150
- Output, $ per 1M tokens
- $0.600
- Cache read, $ per 1M
- $0.015
- Batch (input / output)
- —
- Tool calling
- Yes
- Released
- ▲03/16/2026
- Knowledge cutoff
- 2025-06
- API id
- mistralai/mistral-small-2603
Which is the better API choice: Mistral Small 3.1 24B vs Mistral Small 4?
- Mistral Small 4: cheapest input (57% less than Mistral Small 3.1 24B)
- Mistral Small 3.1 24B: cheapest output
- Mistral Small 4: largest context (262 K)
- Mistral Small 4: the newest (03/16/2026)
- Mistral Small 4: most reasoning (estimated)
Pricing is split: Mistral Small 4 wins on input and Mistral Small 3.1 24B wins on output. Mistral Small 4 accepts more context (262 K). On capabilities, Mistral Small 4 has a reasoning mode.
What would your product cost?
Estimate the monthly cost with your app's real volume. List prices, no cache or batch discounts.
With Mistral Small 4 you save $2.84 a month versus Mistral Small 3.1 24B (38% less).
The 6 cheapest for this scenario (chat, last 12 months)
- 1Lyria 3 Pro Preview Google$0.00
- 2Lyria 3 Clip Preview Google$0.00
- 3Qwen3.7 Flash Qwen$0.97
- 4DeepSeek V4.1 Flash DeepSeek$1.57
- 5DeepSeek V4 Flash 0731 DeepSeek$1.85
- 6Ministral 3 3B 2512 Mistral$1.90
Paste your prompt: tokens and cost per model
Rough estimate (about 4 characters per token). Nothing is sent to any server.
Cost of sending it 1,000 times (input only)
- 1Claude Haiku 5.5 Anthropic$0.008
- 2Mistral Small 4 Mistral$0.011
- 3Mistral Small 3.1 24B Mistral$0.027
- 4Claude Sonnet 5.5 Anthropic$0.152
- 5Claude Opus 5.5 Anthropic$0.304
- 6Claude Opus 5 Anthropic$0.380
- 7Claude Fable 5.2 Anthropic$0.608
- 8Claude Fable 5.1 Anthropic$0.760
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See allFrequently asked questions
Which is the better API choice: Mistral Small 3.1 24B vs Mistral Small 4?
Pricing is split: Mistral Small 4 wins on input and Mistral Small 3.1 24B wins on output. Mistral Small 4 accepts more context (262 K). On capabilities, Mistral Small 4 has a reasoning mode.
Which is cheaper: Mistral Small 3.1 24B and Mistral Small 4?
Mistral Small 4 is cheaper: $0.150 per million input tokens and $0.600 per million output tokens, versus $0.351 / $0.555 for Mistral Small 3.1 24B.
Which has more context: Mistral Small 3.1 24B and Mistral Small 4?
Mistral Small 4 accepts 262 K tokens of context; Mistral Small 3.1 24B accepts 128 K.
Which is newer: Mistral Small 3.1 24B and Mistral Small 4?
Mistral Small 4 was released on 03/16/2026; Mistral Small 3.1 24B on 03/17/2025.
What would 10,000 requests a month cost with Mistral Small 3.1 24B and Mistral Small 4?
With 1,500 input and 400 output tokens per request: Mistral Small 3.1 24B: $7.49; Mistral Small 4: $4.65 a month, at list price.
Where do the prices come from and how often are they updated?
From the public catalogs of OpenRouter, models.dev and LiteLLM, which publish each provider's list prices. They sync once a day and the last update date is shown above the comparison.
What does price per million tokens mean?
It is what the provider charges per million tokens you send (input) or the model generates (output). A token is roughly 4 characters. Output almost always costs more than input.
Sources: OpenRouter, models.dev and LiteLLM. Prices in USD per million tokens, list price, no volume discounts. Prompt tokens are an estimate; each provider's tokenizer may differ.