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DeepSeek V3.1 Terminus vs GPT-4o (Mar 2025)

Both have similar output pricing, while DeepSeek V3.1 Terminus offers a larger context window. Choose DeepSeek V3.1 Terminus or GPT-4o (Mar 2025) based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecDeepSeek V3.1 TerminusGPT-4o (Mar 2025)
ProviderDeepSeekOpenAI
Input / 1M tokens$0.27—
Output / 1M tokens$1.00—
Context window164K—
Parameters——
Open weights—No
Released—Mar 2025
LMArena (Chatbot Arena) Elo score1419—
Aider Polyglot score—23.1

FAQ

Is DeepSeek V3.1 Terminus or GPT-4o (Mar 2025) cheaper?

DeepSeek V3.1 Terminus and GPT-4o (Mar 2025) have comparable output pricing.

Which has the larger context window, DeepSeek V3.1 Terminus or GPT-4o (Mar 2025)?

DeepSeek V3.1 Terminus has the larger context window (164K tokens).

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.