Devstral 2 vs GPT-5.5 Pro: Pricing Comparison
Compare pricing, capabilities, and costs for your LLM workloads.
Mistral
Devstral 2
Pricing (per 1M tokens)
Input$0.4000
Output$2.00
Context & Output
Context Window256K tokens
Max Output256K tokens
Capabilities
Categorymid
Multimodaltext
Fine-tuningNo
StreamingYes
OpenAI
GPT-5.5 Pro
Pricing (per 1M tokens)
Input$30.00
Output$180.00
Context & Output
Context Window1M tokens
Max Output128K tokens
Capabilities
Categoryflagship
Multimodaltext + image + audio
Fine-tuningNo
StreamingYes
Quick Verdict
Cheaper Input Price
Devstral 2
98.7% cheaper
Cheaper Output Price
Devstral 2
98.9% cheaper
Larger Context Window
GPT-5.5 Pro
+744K tokens
Cost Comparison
Sample workload: 1,000,000 input tokens + 1,000,000 output tokens
Devstral 2
$2.40
$0.4000/1M input + $2.00/1M output
GPT-5.5 Pro
$210.00
$30.00/1M input + $180.00/1M output
Devstral 2 is 98.9% cheaper for this workload.
Frequently Asked Questions
Which is cheaper, Devstral 2 or GPT-5.5 Pro?
For input tokens, Devstral 2 is cheaper at $0.4000 per 1M tokens. For output tokens, Devstral 2 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 Devstral 2 vs GPT-5.5 Pro?
Devstral 2 has a context window of 256K tokens, while GPT-5.5 Pro has 1M tokens. GPT-5.5 Pro supports a larger context window of 1M tokens, which is beneficial for processing longer documents.
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