Which model is better: Mistral Large 2 or OpenAI o3-mini?

**OpenAI o3-mini delivers superior coding performance and substantial cost savings over Mistral Large 2.** It leads coding benchmarks at 49.3% SWE-bench versus 40.0% while cutting costs by 45.0% on inputs ($1.10 vs. $2.00/1M) and $4.40 vs. $6.00 for outputs. Conversely, Mistral Large 2 wins on speed with a 520ms TTFT, running 680ms faster.
Verified daily via automated API latency tests and official documentation.

Verified Performance & Unit Economics Delta

Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.

Metric / Dimension Mistral Large 2 OpenAI o3-mini Net Delta / Advantage
Input Cost / 1M Tokens $2.00 $1.10 OpenAI o3-mini is 1.8x cheaper
Output Cost / 1M Tokens $6.00 $4.40 OpenAI o3-mini (26.7% lower)
Prompt Cache Read / 1M $0.500 $0.550 Mistral Large 2 is 1.1x cheaper
Prompt Cache Write / 1M $2.00 $1.10 OpenAI o3-mini is 1.8x cheaper
Avg TTFT Response Latency 520ms 1250ms Mistral Large 2 (+730ms faster)
SWE-bench Verified (Coding) 40% 49.3% OpenAI o3-mini (+9.3% lead)
Inference Value Score (IVR) 50 / 100 58.2 / 100 OpenAI o3-mini (+8.2 pts)

Interactive Monthly Token Economics & ROI Forecaster

Model your expected production workload across prompt (input) and completion (output) tokens with prompt caching economics.

Live Calculation Engine
10.0M Tokens
100K 50M 250M 500M+
2.5M Tokens
100K 10M 50M 100M+

Estimated Monthly Spend

Mistral Large 2 $35.00

$2.00/1M in · $6.00/1M out

Prompt Cache: $0.500/1M read · $2.00/1M write

OpenAI o3-mini $22.00

$1.10/1M in · $4.40/1M out

Prompt Cache: $0.550/1M read · $1.10/1M write

Projected Monthly Cost Reduction
$13.00 / mo
(37.1% lower cost with OpenAI o3-mini)
A

When to Choose Mistral Large 2

Choose Mistral Large 2 when you need European data-sovereign enterprise workflows, multilingual translation across European languages, and precise JSON tool execution. and have an infrastructure budget aligned with $2.00/1M tokens.

B

When to Choose OpenAI o3-mini

Choose OpenAI o3-mini when you need High-throughput STEM reasoning, competitive coding, and low-latency algorithmic problem solving with configurable thinking effort. and prioritize OpenAI ecosystem integration at $1.10/1M tokens.

Related Questions & Decision Factors

Which is cheaper: Mistral Large 2 or OpenAI o3-mini?

OpenAI o3-mini is cheaper at $1.10/1M input tokens compared to $2.00/1M for Mistral Large 2.

Which model has lower latency: Mistral Large 2 or OpenAI o3-mini?

Mistral Large 2 delivers faster response times with an average TTFT of 520ms vs 1250ms for OpenAI o3-mini.

When should you choose Mistral Large 2?

Choose Mistral Large 2 when you need European data-sovereign enterprise workflows, multilingual translation across European languages, and precise JSON tool execution. and have an infrastructure budget aligned with $2.00/1M tokens.

When should you choose OpenAI o3-mini?

Choose OpenAI o3-mini when you need High-throughput STEM reasoning, competitive coding, and low-latency algorithmic problem solving with configurable thinking effort. and prioritize OpenAI ecosystem integration at $1.10/1M tokens.

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