Instruction following · Mistral AI

Codestral Base on IFEval: score, rank and what it means

Codestral Base scores 79.2 on IFEval, placing it #347 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
79.2
0–100 scale
Rank
#347
of 600
Percentile
42th
within the index
Benchmark avg
78.6
all models
Leader
96.1
Claude Opus 4.5 Pro
Gap to leader
16.9
points

Score distribution

The chart shows the top 10 models on IFEval, with Codestral Base 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, Codestral Base sits at #347 of 600. The leader, Claude Opus 4.5 Pro, scores 96.1, so the gap to the top is 16.9 points. The median model in this index scores 81.2, which puts Codestral Base below the midpoint.

Mistral AI models average 76.5 on this benchmark. Codestral Base is 2.7 points above that provider line, so it is a stronger result than the average Mistral AI model.

Among open-weight models, the average is 77.0. Codestral Base is 2.2 points above that group. This is the more useful comparison if you are shortlisting within the same tier rather than across the whole index.

Read a 79.2 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 $3.31 per million input tokens, Codestral Base 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
Mixtral Turbo Base Together AI 32768 $2.53 69.7
Nova Lite Turbo Amazon 8192 $9.14 73.2
Nova Pro Mini Amazon 16384 $7.74 70.6
Qwen3-Max Nano Alibaba Cloud 65536 $8.31 71.7
Codestral Base Mistral AI 8192 $3.31 73.1
Command A Mini Cohere 8192 $8.12 71.0
Command R+ Base Cohere 65536 $3.24 71.6

Other benchmarks for Codestral Base

BenchmarkScoreRankPercentileRelative
MMLU-Pro 74.1 348 42th
GPQA Diamond 70.4 252 58th
SWE-bench Verified 62.6 264 56th
HumanEval 79.7 240 60th
MATH-500 77.4 267 56th
AIME 2025 68.7 283 53th
LiveCodeBench 65.7 279 54th
TruthfulQA 74.3 347 42th
HellaSwag 83.3 311 48th
MMMU 68.3 339 44th
Arena Elo 1371.7 310 48th

FAQ

What score does Codestral Base get on IFEval?

Codestral Base scores 79.2 on IFEval in this index. The benchmark average is 78.6 and the top score is 96.1.

How does Codestral Base rank on IFEval?

It ranks #347 of 600 models, in the 42nd percentile. The leader is Claude Opus 4.5 Pro at 96.1.

Is Codestral Base good at IFEval?

It is below the median for this benchmark, so test it carefully before relying on it for this capability. 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 Codestral Base cost?

Codestral Base costs $3.31 per million input tokens and $16.95 per million output tokens.

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