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Llama 3.1 70B (Instruct) vs Gemini 2.5 Pro Preview 06-05

Compare Llama 3.1 70B (Instruct) by Meta AI against Gemini 2.5 Pro Preview 06-05 by Google AI, context windows of 128K vs 1.0M, tested across 18 shared challenges. Updated April 2026.

Which is better, Llama 3.1 70B (Instruct) or Gemini 2.5 Pro Preview 06-05?

Llama 3.1 70B (Instruct) and Gemini 2.5 Pro Preview 06-05 are both competitive models. Llama 3.1 70B (Instruct) costs $0.59/M input tokens vs $1.25/M for Gemini 2.5 Pro Preview 06-05. Context windows: 128K vs 1049K tokens. Compare their real outputs side by side below.

Key Differences Between Llama 3.1 70B (Instruct) and Gemini 2.5 Pro Preview 06-05

Llama 3.1 70B (Instruct) is made by meta while Gemini 2.5 Pro Preview 06-05 is from google. Llama 3.1 70B (Instruct) has a 128K token context window compared to Gemini 2.5 Pro Preview 06-05's 1049K. On pricing, Llama 3.1 70B (Instruct) costs $0.59/M input tokens vs $1.25/M for Gemini 2.5 Pro Preview 06-05.

Our Verdict
Gemini 2.5 Pro Preview 06-05
Gemini 2.5 Pro Preview 06-05
Llama 3.1 70B (Instruct)
Llama 3.1 70B (Instruct)Runner-up

No community votes yet. On paper, Gemini 2.5 Pro Preview 06-05 has the edge — bigger model tier, newer, bigger context window.

Llama 3.1 70B (Instruct) is 13x cheaper per token — worth considering if cost matters.

Slight edge
Writing DNA

Style Comparison

Similarity
98%

Gemini 2.5 Pro Preview 06-05 uses 98.0x more headings

Llama 3.1 70B (Instruct)
Gemini 2.5 Pro Preview 06-05
51%Vocabulary51%
18wSentence Length15w
0.46Hedging0.31
3.4Bold4.8
5.6Lists4.1
0.00Emoji0.00
0.00Headings0.98
0.06Transitions0.05
Based on 15 + 20 text responses
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Llama 3.1 70B (Instruct)Gemini 2.5 Pro Preview 06-05

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

AI Hallucination Index 2026
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