GPT-4.1 vs Codestral: Detailed Comparison

Choosing between GPT-4.1 (OpenAI) and Codestral (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 $0.20/M for Codestral; context windows are 1.0M vs 32K tokens. Detailed breakdown below.

Side-by-side specs

SpecGPT-4.1Codestral
ProviderOpenAIMistral AI
Released2025-04-142024-05-29
Input price $2.00/M $0.20/M
Output price $8.00/M $0.60/M
Cached input $0.5000/M
Context window 1.0M 32K
Max output 33K 4K
Modalities text image text
Tokenizer o200k_base mistral

Capability matrix

CapabilityGPT-4.1Codestral
function calling Yes Yes
json mode Yes Yes
vision Yes No
streaming Yes Yes
code No Yes

Per-call cost on typical workloads

Workload (in/out tokens)GPT-4.1CodestralCheaper by
Standard chat (1K / 500) $0.006000 $0.000500 Codestral by $0.005500
RAG (4K / 500) $0.012000 $0.001100 Codestral by $0.010900
Long doc (20K / 1K) $0.048000 $0.004600 Codestral by $0.043400
Very long context (100K / 2K) $0.212000 $0.020900 Codestral by $0.191100

When to choose GPT-4.1 over Codestral

  • Larger context window (1.0M vs 32K) — relevant when whole documents or long histories must fit in a single call.
  • Supports vision — Codestral does not.

When to choose Codestral over GPT-4.1

  • Per-token input cost is 90% lower than GPT-4.1.
  • Supports code — GPT-4.1 does not.

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