Compare/Llama 2 Chat 7B vs Gemma 3 27B Instruct

Llama 2 Chat 7BvsGemma 3 27B Instruct

Side-by-side comparison of pricing, 12 benchmarks, and generation speed.

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Llama 2 Chat 7B

Input
$0.05/M
Output
$0.25/M
Speed
98 tok/s
TTFT
15.54s
Google

Gemma 3 27B Instruct

Input
$0.11/M
Output
$0.25/M
Speed
TTFT

Winner by Category

Cheaper
Llama 2 Chat 7B
Faster (tok/s)
Llama 2 Chat 7B
Lower Latency
Gemma 3 27B Instruct
Benchmarks (1-11)
Gemma 3 27B Instruct

Pricing Comparison

MetricLlama 2 Chat 7BGemma 3 27B Instruct
Input ($/M tokens)$0.05$0.11
Output ($/M tokens)$0.25$0.25
Cost for 1M input + 100K output tokens:
Llama 2 Chat 7B$0.08
Gemma 3 27B Instruct$0.14

Speed Comparison

Output Speed (tokens/s) — higher is better
Llama 2 Chat 7B
98 tok/s
Gemma 3 27B Instruct
Time to First Token (seconds) — lower is better
Llama 2 Chat 7B
15.54s
Gemma 3 27B Instruct

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
9.710.3
Coding Index
9.6
Math Index
20.7
GPQA Diamond
22.7%42.8%
MMLU-Pro
16.4%66.9%
LiveCodeBench
0.2%13.7%
AIME 2025
20.7%
MATH-500
5.9%88.3%
Humanity's Last Exam
5.8%4.7%
SciCode
0.0%21.2%
IFBench
31.8%
TerminalBench
3.8%
Llama 2 Chat 7B1 wins
11 winsGemma 3 27B Instruct

Frequently Asked Questions

Which is cheaper, Llama 2 Chat 7B or Gemma 3 27B Instruct?

Llama 2 Chat 7B is cheaper overall. Its blended price (3:1 input/output ratio) is $0.10/M tokens vs $0.14/M for Gemma 3 27B Instruct.

Which model performs better on benchmarks?

Gemma 3 27B Instruct wins 11 out of 12 benchmarks compared to 1 for Llama 2 Chat 7B. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Llama 2 Chat 7B generates tokens faster at 98 tok/s vs 0 tok/s. However, Gemma 3 27B Instruct has lower time-to-first-token (0.00s vs 15.54s).

When should I use Llama 2 Chat 7B vs Gemma 3 27B Instruct?

Choose based on your priorities: Llama 2 Chat 7B for lower cost, Gemma 3 27B Instruct for stronger benchmark performance, and Llama 2 Chat 7B for faster generation. For latency-sensitive apps, check the TTFT comparison above.