Compare · ModelsLive · 2 picked · head to head
Gemini 2.5 Flash vs Llama 3.1 8B Instruct
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Gemini 2.5 Flash wins on 6/6 benchmarks
Gemini 2.5 Flash wins 6 of 6 shared benchmarks. Leads in arena · knowledge · general.
Category leads
arena·Gemini 2.5 Flashknowledge·Gemini 2.5 Flashgeneral·Gemini 2.5 Flashmath·Gemini 2.5 Flashcoding·Gemini 2.5 Flash
Hype vs Reality
Attention vs performance
Gemini 2.5 Flash
#198 by perf·no signal
Llama 3.1 8B Instruct
#282 by perf·#19 by attention
Best value
Llama 3.1 8B Instruct
13.3x better value than Gemini 2.5 Flash
Gemini 2.5 Flash
28.1 pts/$
$1.40/M
Llama 3.1 8B Instruct
372.3 pts/$
$0.07/M
Vendor risk
Who is behind the model
Google DeepMind
$4.27T·Tier 1
Meta AI
$1.89T·Tier 1
Head to head
6 benchmarks · 2 models
Gemini 2.5 FlashLlama 3.1 8B Instruct
Chatbot Arena Elo · Overall
Gemini 2.5 Flash leads by +1388.0
Gemini 2.5 Flash
1409.4
Llama 3.1 8B Instruct
21.3
Balrog
Gemini 2.5 Flash leads by +18.4
Balrog · benchmarks AI agents on text-based adventure games, testing language understanding, strategic planning, and long-horizon reasoning.
Gemini 2.5 Flash
33.5
Llama 3.1 8B Instruct
15.1
Dtbench
Gemini 2.5 Flash leads by +42.7
Gemini 2.5 Flash
60.9
Llama 3.1 8B Instruct
18.2
Lmca
Gemini 2.5 Flash leads by +26.0
Gemini 2.5 Flash
32.3
Llama 3.1 8B Instruct
6.3
OTIS Mock AIME 2024-2025
Gemini 2.5 Flash leads by +71.5
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Gemini 2.5 Flash
73.0
Llama 3.1 8B Instruct
1.6
WeirdML
Gemini 2.5 Flash leads by +39.2
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
Gemini 2.5 Flash
41.0
Llama 3.1 8B Instruct
1.7
Full benchmark table
| Benchmark | Gemini 2.5 Flash | Llama 3.1 8B Instruct |
|---|---|---|
Chatbot Arena Elo · Overall | 1409.4 | 21.3 |
Balrog Balrog · benchmarks AI agents on text-based adventure games, testing language understanding, strategic planning, and long-horizon reasoning. | 33.5 | 15.1 |
Dtbench | 60.9 | 18.2 |
Lmca | 32.3 | 6.3 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 73.0 | 1.6 |
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 41.0 | 1.7 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $0.30 | $2.50 | 1.0M tokens (~524 books) | $8.50 | |
| $0.05 | $0.08 | 131K tokens (~66 books) | $0.58 |
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