Grok 4.6 vs Gemini 3.8 Flash

A side-by-side comparison of Grok 4.6 and Gemini 3.8 Flash — intelligence, context, capabilities, and price.

Spec
Grok 4.6 logoGrok 4.6
Gemini 3.8 Flash logoGemini 3.8 Flash
Context window500K1M
Streaming
Reasoning
Tool use
Web search
Vision (image input)
Document input
Video
Audio
Grok 4.6 pricing
  • Under 200K prompt tokens · Input$2 / 1M tokens
  • Under 200K prompt tokens · Cached input$0.5 / 1M tokens
  • Under 200K prompt tokens · Output$6 / 1M tokens
  • 200K+ prompt tokens · Input$4 / 1M tokens
  • 200K+ prompt tokens · Cached input$1 / 1M tokens
  • 200K+ prompt tokens · Output$12 / 1M tokens
  • Web search (when used)$5 / 1,000 calls

Provider-equivalent rates. Higher reasoning can use more output tokens. TryAI charges a one-credit minimum and rounds each run's aggregate cost up once.

View Grok 4.6details →
Gemini 3.8 Flash pricing
  • Input$0.75 / 1M tokens
  • Cached input$0.075 / 1M tokens
  • Output$3.75 / 1M tokens
  • From Jan 1, 2027 · Input$1.5 / 1M tokens
  • From Jan 1, 2027 · Cached input$0.15 / 1M tokens
  • From Jan 1, 2027 · Output$7.5 / 1M tokens
  • Web search (when used)$14 / 1,000 queries

Provider-equivalent rates. Higher reasoning can use more output tokens. TryAI charges a one-credit minimum and rounds each run's aggregate cost up once.

View Gemini 3.8 Flashdetails →

Grok 4.6 vs Gemini 3.8 Flash: FAQ

Is Grok 4.6 better than Gemini 3.8 Flash?
xAI's frontier model for long-running agents, codebase work, and ambitious interactive or visual projects. Scores 61 on the AA Intelligence Index with 500K context and always-on reasoning. Google's most intelligent Flash workhorse for coding and agents. Scores 59 on the AA Intelligence Index with 1M context, multimodal input, and introductory half-price token rates through 2026. The best choice depends on your workload — compare context window, capabilities, and price above, or try both on TryAI.
Which is cheaper, Grok 4.6 or Gemini 3.8 Flash?
See the pricing rows above for live per-token or per-generation costs. TryAI bills both from one pay-as-you-go balance.