Instruction following · Lambda

Llama 3 Lambda on IFEval: score, rank and what it means

Llama 3 Lambda scores 81.6 on IFEval, placing it #284 of 600 models in the index. The benchmark average is 78.6 and the leader is Claude Opus 4.5 Pro at 96.1.

Score
81.6
0–100 scale
Rank
#284
of 600
Percentile
53th
within the index
Benchmark avg
78.6
all models
Leader
96.1
Claude Opus 4.5 Pro
Gap to leader
14.5
points

Score distribution

The chart shows the top 10 models on IFEval, with Llama 3 Lambda highlighted. Longer bars mean higher scores.

Claude Opus 4.5 Pro 96.1
Claude Opus 4.5 Reasoning 95.9
GPT-5.2 Pro 95.6
GPT-5.2 Max 95.2
GPT-5.2 Reasoning 95.0
GPT-5.1 Pro 94.8
Gemini 3 Pro Max 94.7
GPT-5.1 Reasoning 94.6
Claude Opus 4.5 Max 94.5
o4 Reasoning 94.5

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 Claude Opus 4.5 Pro Anthropic 200000 $20.98 89.1
2 Claude Opus 4.5 Reasoning Anthropic 2000000 $20.91 88.2
3 GPT-5.2 Pro OpenAI 2000000 $21.32 89.6
4 GPT-5.2 Max OpenAI 1000000 $21.39 89.2
5 GPT-5.2 Reasoning OpenAI 1000000 $20.98 87.5
6 GPT-5.1 Pro OpenAI 200000 $19.77 87.8
7 Gemini 3 Pro Max Google DeepMind 2000000 $20.57 87.9
8 GPT-5.1 Reasoning OpenAI 400000 $20.27 88.3
9 Claude Opus 4.5 Max Anthropic 1000000 $20.90 87.8
10 o4 Reasoning OpenAI 1000000 $19.69 87.5

What this score means

On IFEval, Llama 3 Lambda sits at #284 of 600. The leader, Claude Opus 4.5 Pro, scores 96.1, so the gap to the top is 14.5 points. The median model in this index scores 81.2, which puts Llama 3 Lambda above the midpoint.

Lambda models average 75.1 on this benchmark. Llama 3 Lambda is 6.5 points above that provider line, so it is a stronger result than the average Lambda model.

Among multimodal models, the average is 85.2. Llama 3 Lambda is 3.6 points below that group. This is the more useful comparison if you are shortlisting within the same tier rather than across the whole index.

Read a 81.6 as a relative signal, not an absolute guarantee. Benchmark scores depend on prompt format, evaluation harness and contamination controls. Use this page to narrow the shortlist, then test the model on your own data.

Price context

At $3.90 per million input tokens, Llama 3 Lambda is below the median input price of $4.00 across the 600 models scored on IFEval. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
Llama 3.1 Chat Meta AI 32768 $3.82 75.3
Nemotron 4 Chat NVIDIA 65536 $3.99 75.0
DeepSeek-Coder Base DeepSeek 32768 $3.53 74.1
Llama 3 Anyscale Base Anyscale 65536 $3.23 72.9
Llama 3 Lambda Lambda 65536 $3.90 75.6
Seed-OSS ByteDance 32768 $3.74 75.3
o4 Nano OpenAI 65536 $8.61 72.0

Other benchmarks for Llama 3 Lambda

BenchmarkScoreRankPercentileRelative
MMLU-Pro 78.6 225 63th
GPQA Diamond 71.7 227 62th
SWE-bench Verified 62.8 258 57th
HumanEval 81.4 202 66th
MATH-500 79.8 214 64th
AIME 2025 69.9 258 57th
LiveCodeBench 70.1 190 68th
TruthfulQA 78.3 245 59th
HellaSwag 83.7 292 51th
MMMU 74.1 186 69th
Arena Elo 1390.8 247 59th

FAQ

What score does Llama 3 Lambda get on IFEval?

Llama 3 Lambda scores 81.6 on IFEval in this index. The benchmark average is 78.6 and the top score is 96.1.

How does Llama 3 Lambda rank on IFEval?

It ranks #284 of 600 models, in the 53rd percentile. The leader is Claude Opus 4.5 Pro at 96.1.

Is Llama 3 Lambda good at IFEval?

Yes, relative to the index: it is above the median and inside the top half of scores. The result should be read alongside its price and context window.

How is the IFEval score calculated?

IFEval is a instruction following benchmark. Scores in this index are modelled estimates on a 0–100 scale (or Elo for Arena), derived from capability tier and benchmark difficulty. They are not official leaderboard results.

What does Llama 3 Lambda cost?

Llama 3 Lambda costs $3.90 per million input tokens and $15.06 per million output tokens.

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