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GPT-5 Search API vs Gemini 4 Argon

Both have similar output pricing, while Gemini 4 Argon offers a larger context window. Choose GPT-5 Search API or Gemini 4 Argon based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecGPT-5 Search APIGemini 4 Argon
ProviderEden AIGoogle
Input / 1M tokens$1.25$2.00
Output / 1M tokens$10.00$10.00
Context window272K1M
Parameters——
Open weightsNo—
ReleasedOct 2025—
GPQA Diamond score—96.4
Epoch Capabilities Index score—165
LMArena (Chatbot Arena) Elo score—1532
LMArena WebDev Elo score—1678

FAQ

Is GPT-5 Search API or Gemini 4 Argon cheaper?

GPT-5 Search API and Gemini 4 Argon have comparable output pricing.

Which has the larger context window, GPT-5 Search API or Gemini 4 Argon?

Gemini 4 Argon has the larger context window (1M tokens).

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