GPT-4.1 vs Mistral Large 2: Detailed Comparison

Choosing between GPT-4.1 (OpenAI) and Mistral Large 2 (Mistral AI) comes down to three things: per-token pricing, context window, and which capability matters most for your workload. GPT-4.1 costs $2.00/M input vs $2.00/M for Mistral Large 2; context windows are 1.0M vs 128K tokens. Detailed breakdown below.

Side-by-side specs

SpecGPT-4.1Mistral Large 2
ProviderOpenAIMistral AI
Released2025-04-142024-07-24
Input price $2.00/M $2.00/M
Output price $8.00/M $6.00/M
Cached input $0.5000/M
Context window 1.0M 128K
Max output 33K 8K
Modalities text image text
Tokenizer o200k_base mistral

Capability matrix

CapabilityGPT-4.1Mistral Large 2
function calling Yes Yes
json mode Yes Yes
vision Yes No
streaming Yes Yes

Benchmark comparison

Higher is better for all benchmarks shown.

BenchmarkCategoryGPT-4.1Mistral Large 2Δ
MMLU general 84.0
HumanEval coding 92.0

Per-call cost on typical workloads

Workload (in/out tokens)GPT-4.1Mistral Large 2Cheaper by
Standard chat (1K / 500) $0.006000 $0.005000 Mistral Large 2 by $0.001000
RAG (4K / 500) $0.012000 $0.011000 Mistral Large 2 by $0.001000
Long doc (20K / 1K) $0.048000 $0.046000 Mistral Large 2 by $0.002000
Very long context (100K / 2K) $0.212000 $0.209000 Mistral Large 2 by $0.003000

When to choose GPT-4.1 over Mistral Large 2

  • Larger context window (1.0M vs 128K) — relevant when whole documents or long histories must fit in a single call.
  • Supports vision — Mistral Large 2 does not.

When to choose Mistral Large 2 over GPT-4.1

  • Mistral Large 2 fits when your stack is already on Mistral AI.

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