Grok Code Fast 1 vs Mistral Small 4

Grok Code Fast 1 vs Mistral Small 4: Mistral Small 4 is cheaper for input-heavy usage ($0.15/M vs $0.20/M input tokens), while Grok Code Fast 1 is better for long-context tasks (256,000 tokens).

Direct answer: choose Mistral Small 4 for lower token spend and choose Grok Code Fast 1 when your workload needs longer context.

Compare input and output token pricing, context windows, and monthly cost estimates on one page so you can pick the cheaper model fast.

xAI

Grok Code Fast 1

Mistral AI

Mistral Small 4

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Grok Code Fast 1 pricing page Mistral Small 4 pricing page xAI provider overview Mistral AI provider overview

Cost Comparison (1000 input + 500 output tokens, 100 requests/day)

Grok Code Fast 1

Per Request:$0.000950

Daily:$0.095

Monthly:$2.85

Yearly:$34.675

Mistral Small 4

Per Request:$0.000450

Daily:$0.045

Monthly:$1.35

Yearly:$16.425

Cost Differences

$0.000500

Per Request

$0.05

Daily

$1.50

Monthly

$18.25

Yearly

Mistral Small 4 costs less than Grok Code Fast 1

Quick Recommendation

Winner for direct API pricing: Mistral Small 4. At the default workload, Mistral Small 4 saves about $1.50/month ($18.25/year) versus Grok Code Fast 1.

Grok Code Fast 1 full pricing breakdown Mistral Small 4 full pricing breakdown xAI API pricing details Mistral AI API pricing details xAI vs Mistral AI API pricing Codex Mini vs Mistral Medium 3.5 Codex Mini vs Mistral Large 3

Feature Comparison

Feature	Grok Code Fast 1	Mistral Small 4
Provider	xAI	Mistral AI
Input Price	$0.20/1M tokens	$0.15/1M tokens
Output Price	$1.50/1M tokens	$0.60/1M tokens
Context Window	256,000 tokens	128,000 tokens
Max Output	32,768 tokens	16,384 tokens
Category	standard	efficient
Capabilities	textcodereasoning	textvisioncodereasoning
Release Date	2/1/2026	3/18/2026

Grok Code Fast 1 vs Mistral Small 4: Which Should You Choose?

Choosing between Grok Code Fast 1 and Mistral Small 4 depends on your priorities: cost efficiency, context length, or raw capability. Mistral Small 4 is the more affordable option at $0.15/1M input tokens — 25% cheaper than Grok Code Fast 1. Meanwhile, Grok Code Fast 1 offers a significantly larger context window at 256,000 tokens vs 128,000 for Mistral Small 4.

These models come from different providers — xAI and Mistral AI — which means different API ecosystems, SDKs, rate limits, and terms of service. If you're already integrated with xAI, switching to Mistral AIinvolves migration effort beyond just pricing. Factor in your existing infrastructure when deciding.

These models target different tiers: Grok Code Fast 1 is a standard model while Mistral Small 4 is efficient. This means they're optimized for different workloads. Mistral Small 4 targets more demanding workloads, while Grok Code Fast 1 provides a cost-effective option for everyday tasks.

Output costs matter too. Grok Code Fast 1 charges $1.50/1M output tokens vs $0.60 for Mistral Small 4. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Mistral Small 4 has the edge here at $0.60/1M output tokens.

Multimodal capabilities: Mistral Small 4 supports vision (image inputs) while Grok Code Fast 1 is text-only. If your application needs image understanding, this narrows your choice.

Best Use Cases

Choose Grok Code Fast 1 when:

• You need a larger context window (256,000 tokens)
• You need longer outputs (up to 32,768 tokens)
• You're already using xAI's API ecosystem

Choose Mistral Small 4 when:

• Budget is a primary concern
• You need more capabilities (vision)
• You're already using Mistral AI's API ecosystem
• You're running high-volume, latency-sensitive workloads

Pros and Caveats at a Glance

Grok Code Fast 1

• Input pricing: $0.20/M tokens
• Output pricing: $1.50/M tokens
• Context window: 256,000 tokens
• Max output: 32,768 tokens

Watch out for

• Higher input cost than Mistral Small 4
• Higher output cost than Mistral Small 4

Mistral Small 4

• Input pricing: $0.15/M tokens
• Output pricing: $0.60/M tokens
• Context window: 128,000 tokens
• Max output: 16,384 tokens

Watch out for

• Smaller context window than Grok Code Fast 1

Try Different Scenarios

Use the calculator below to see how costs change with different usage patterns

Grok Code Fast 1 (xAI)

Cost Calculator

Provider

Model

Input Tokens

Output Tokens

Requests/Day

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Mistral Small 4 (Mistral AI)

Cost Calculator

Provider

Model

Input Tokens

Output Tokens

Requests/Day

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Frequently Asked Questions

Which is cheaper, Grok Code Fast 1 or Mistral Small 4?▼

Mistral Small 4 is cheaper for input tokens at $0.15 per million tokens vs $0.20 for Grok Code Fast 1 — that's 25% savings on input costs.

What is the context window difference between Grok Code Fast 1 and Mistral Small 4?▼

Grok Code Fast 1 supports 256,000 tokens while Mistral Small 4 supports 128,000 tokens — a difference of 128,000 tokens in favor of Grok Code Fast 1.

Which model is better for AI Agent / Agentic Workflows?▼

Both models support text, code, reasoning. For ai agent / agentic workflows, Mistral Small 4 is the lower-cost option, while Grok Code Fast 1 offers a larger context window (256,000 vs 128,000 tokens). Choose Mistral Small 4 for budget sensitivity or Grok Code Fast 1 for longer context tasks.

Which model has better overall pricing for heavy usage?▼

At 100 requests/day with 1,000 input and 500 output tokens each, Grok Code Fast 1 costs about $2.85/month and Mistral Small 4 costs about $1.35/month. Overall, Mistral Small 4 has lower combined input + output rates ($0.15 in, $0.60 out) vs Grok Code Fast 1.

Where can I compare xAI and Mistral AI API pricing beyond this model matchup?▼

See the xAI vs Mistral AI provider comparison page for lineup-level averages, then review each model page for exact per-token rates.