Mistral Medium 3.1 vs GPT-5.5: Pricing Comparison

Compare pricing, capabilities, and costs for your LLM workloads.

Mistral

Mistral Medium 3.1

Pricing (per 1M tokens)

Input$0.4000
Output$2.00

Context & Output

Context Window131.1K tokens
Max Output32.8K tokens

Capabilities

Categorymid
Multimodaltext
Fine-tuningNo
StreamingYes

OpenAI

GPT-5.5

Pricing (per 1M tokens)

Input$5.00
Output$30.00
Cached Input$0.5000
Batch Input$2.50
Batch Output$15.00

Context & Output

Context Window1M tokens
Max Output128K tokens

Capabilities

Categoryflagship
Multimodaltext + image + audio
Fine-tuningNo
StreamingYes

Quick Verdict

Cheaper Input Price

Mistral Medium 3.1

92.0% cheaper

Cheaper Output Price

Mistral Medium 3.1

93.3% cheaper

Larger Context Window

GPT-5.5

+868.9K tokens

Cost Comparison

Sample workload: 1,000,000 input tokens + 1,000,000 output tokens

Mistral Medium 3.1

$2.40

$0.4000/1M input + $2.00/1M output

GPT-5.5

$35.00

$5.00/1M input + $30.00/1M output

Mistral Medium 3.1 is 93.1% cheaper for this workload.

Frequently Asked Questions

Which is cheaper, Mistral Medium 3.1 or GPT-5.5?
For input tokens, Mistral Medium 3.1 is cheaper at $0.4000 per 1M tokens. For output tokens, Mistral Medium 3.1 is cheaper at $2.00 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of Mistral Medium 3.1 vs GPT-5.5?
Mistral Medium 3.1 has a context window of 131.1K tokens, while GPT-5.5 has 1M tokens. GPT-5.5 supports a larger context window of 1M tokens, which is beneficial for processing longer documents.

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