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Google

Gemini 2.5 Pro

VS
xAI

Grok 4.3

✍️ Analysis by:the whichllmmodel Editorial Team|📅 Updated: June 2026

Decision Recommendation

👑 Editorial Verdict: Grok 4.3 strictly dominates Gemini 2.5 Pro across all major dimensions. It is not only more cost-effective (blended cost of $1.56 vs $3.44 per 1M tokens) but also delivers superior coding accuracy (0% vs 0% on SWE-bench) and faster generation speeds (209 tps vs 117 tps). Unless you have platform lock-in, Grok 4.3 is the clear and optimal choice for all development workloads.

Model Specs

Gemini 2.5 Pro

Benchmarks & Scores

Coding (swe-bench-pro)
N/A
Reasoning (gpqa-diamond)
84.4%

Cost & Performance

Cost (per 1M tokens)
$3.44Input: $1.25 | Output: $10.00
Speed
117 tps
Context Window
1M tokens
Model Specs

Grok 4.3

Benchmarks & Scores

Coding (swe-bench-pro)
N/A
Reasoning (gpqa-diamond)Winner (+5.7%)
90.1%

Cost & Performance

Cost (per 1M tokens)2.2x cheaper
$1.56Input: $1.25 | Output: $2.50
Speed1.8x faster
209 tps
Context Window
1M tokens
Read our data collection methodology

Frequently Asked Questions

Grok 4.3 is cheaper than Gemini 2.5 Pro. Grok 4.3 has a blended cost of $1.56/1M tokens, which is about 2.2x cheaper than Gemini 2.5 Pro at $3.44/1M tokens.

Grok 4.3 is faster than Gemini 2.5 Pro. Grok 4.3 generates 209 tokens per second (tps) compared to Gemini 2.5 Pro which generates 117 tokens per second.

Coding benchmark scores are not currently recorded for these models.

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