Gemini 3.6 Flash vs Grok 4.6: Specs & Benchmark Comparison

Gemini 3.6 Flash is developed by Google, while Grok 4.6 comes from xAI. Gemini 3.6 Flash was released in July 2026, and Grok 4.6 followed a month later in August 2026.

We have 7 benchmark results for Gemini 3.6 Flash and 11 benchmark results for Grok 4.6, but they overlap on a single test: DeepSWE 1.1, where Grok 4.6 scores 66.0% against 49.0%.

Gemini 3.6 Flash is the cheaper API at $1.50 per million input tokens and $7.50 per million output tokens, about 33% below Grok 4.6 at $2 and $6. Gemini 3.6 Flash takes the larger context window at 1M tokens, compared with 500K for Grok 4.6. Both accept text and images as input.

CharacteristicGemini 3.6 FlashGrok 4.6
CompanyGooglexAI
Release DateJuly 21, 2026August 12, 2026
Parameters
MultimodalYesYes
Context (input)1.0M500K
Context (output)66K
Input Price / 1M$1.50$2.00
Output Price / 1M$7.50$6.00
Average Score68.0%49.6%
Benchmarks
DeepSWE 1.149.0%66.0%

Visual Benchmark Comparison

Gemini 3.6 Flash
Grok 4.6
DeepSWE 1.10.5 vs 0.7
0.5
0.7

Verdict

Grok 4.6 leads in 2 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: Gemini 3.6 Flash — 0.7, Grok 4.6 — 0.5.

API Cost

Grok 4.6 is 1.1x cheaper: input $2.00/1M vs $1.50/1M tokens.

Context Window

Gemini 3.6 Flash supports a larger context: 1M vs 500K tokens.

Recency

Grok 4.6 is newer: released 8/12/2026 vs 7/21/2026.

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Frequently Asked Questions

Which is better for coding — Gemini 3.6 Flash or Grok 4.6?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Gemini 3.6 Flash or Grok 4.6?
Gemini 3.6 Flash is cheaper for input: $1.50 per 1M tokens vs $2.00.
Which has a larger context window — Gemini 3.6 Flash or Grok 4.6?
Gemini 3.6 Flash supports a larger context: 1,048,576 tokens vs 500,000.

The Gemini 3.6 Flash and Grok 4.6 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Gemini 3.6 Flash or Grok 4.6 page. See also the complete list of AI model comparisons.