Grok 4.5 vs Magistral Medium

Pricing verdict: Grok 4.5 vs Magistral Medium: input pricing is tied at $2.00/M, Magistral Medium is cheaper for output-heavy usage ($5.00/M output), and Grok 4.5 is better for long-context tasks (500,000 tokens).

Direct answer: input pricing is tied. Choose Magistral Medium for cheaper output and choose Grok 4.5 when your workload needs longer context.

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

xAI

Grok 4.5

Mistral AI

Magistral Medium

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Grok 4.5 pricing page Magistral Medium pricing page xAI provider overview Mistral AI provider overview

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

Grok 4.5

Per Request:$0.005000

Daily:$0.50

Monthly:$15.00

Yearly:$182.50

Magistral Medium

Per Request:$0.004500

Daily:$0.45

Monthly:$13.50

Yearly:$164.25

Cost Differences

$0.000500

Per Request

$0.05

Daily

$1.50

Monthly

$18.25

Yearly

Magistral Medium costs less than Grok 4.5

Quick Recommendation

Winner for direct API pricing: Magistral Medium. At the default workload, Magistral Medium saves about $1.50/month ($18.25/year) versus Grok 4.5.

Grok 4.5 full pricing breakdown Magistral Medium 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 4.5	Magistral Medium
Provider	xAI	Mistral AI
Input Price	$2.00/1M tokens	$2.00/1M tokens
Output Price	$6.00/1M tokens	$5.00/1M tokens
Context Window	500,000 tokens	128,000 tokens
Max Output	131,072 tokens	32,768 tokens
Category	flagship	reasoning
Capabilities	textvisioncodereasoning	textreasoning
Release Date	7/8/2026	12/15/2025

Grok 4.5 vs Magistral Medium: Which Should You Choose?

Choosing between Grok 4.5 and Magistral Medium depends on your priorities: cost efficiency, context length, or raw capability. Both models charge $2.00/1M input tokens, but Magistral Medium is cheaper on output at $5.00/1M. Meanwhile, Grok 4.5 offers a significantly larger context window at 500,000 tokens vs 128,000 for Magistral Medium.

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 4.5 is a flagship model while Magistral Medium is reasoning. This means they're optimized for different workloads. Grok 4.5 is built for complex tasks that require deeper reasoning, while Magistral Medium offers better value for routine operations.

Output costs matter too. Grok 4.5 charges $6.00/1M output tokens vs $5.00 for Magistral Medium. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Magistral Medium has the edge here at $5.00/1M output tokens.

Multimodal capabilities: Grok 4.5 supports vision (image inputs) while Magistral Medium is text-only. If your application needs image understanding, this narrows your choice.

Best Use Cases

Choose Grok 4.5 when:

• You need a larger context window (500,000 tokens)
• You need more capabilities (vision, code)
• You need longer outputs (up to 131,072 tokens)
• You're already using xAI's API ecosystem

Choose Magistral Medium when:

• You're already using Mistral AI's API ecosystem

Pros and Caveats at a Glance

Grok 4.5

• Input pricing: $2.00/M tokens
• Output pricing: $6.00/M tokens
• Context window: 500,000 tokens
• Max output: 131,072 tokens

Watch out for

• Higher output cost than Magistral Medium

Magistral Medium

• Input pricing: $2.00/M tokens
• Output pricing: $5.00/M tokens
• Context window: 128,000 tokens
• Max output: 32,768 tokens

Watch out for

• Smaller context window than Grok 4.5

Try Different Scenarios

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

Grok 4.5 (xAI)

Cost Calculator

Provider

Model

Input Tokens

Output Tokens

Requests/Day

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Magistral Medium (Mistral AI)

Cost Calculator

Provider

Model

Input Tokens

Output Tokens

Requests/Day

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Start using Grok 4.5 today

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Frequently Asked Questions

Which is cheaper, Grok 4.5 or Magistral Medium?▼

Input pricing is tied at $2.00 per million tokens. Magistral Medium is cheaper on output at $5.00 vs $6.00 for Grok 4.5, so it wins for output-heavy usage.

What is the context window difference between Grok 4.5 and Magistral Medium?▼

Grok 4.5 supports 500,000 tokens while Magistral Medium supports 128,000 tokens — a difference of 372,000 tokens in favor of Grok 4.5.

Which model is better for AI Chatbot?▼

Both models support text. For ai chatbot, Magistral Medium is the lower-cost option, while Grok 4.5 offers a larger context window (500,000 vs 128,000 tokens). Choose Magistral Medium for budget sensitivity or Grok 4.5 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 4.5 costs about $15.00/month and Magistral Medium costs about $13.50/month. Overall, Magistral Medium has lower combined input + output rates ($2.00 in, $5.00 out) vs Grok 4.5.

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.