Safety · DeepSeek

DeepSeek-Coder Base on TruthfulQA: score, rank and what it means

DeepSeek-Coder Base scores 79.0 on TruthfulQA, placing it #215 of 600 models in the index. The benchmark average is 73.6 and the leader is GPT-5.1 Max at 91.1.

Score
79.0
0–100 scale
Rank
#215
of 600
Percentile
64th
within the index
Benchmark avg
73.6
all models
Leader
91.1
GPT-5.1 Max
Gap to leader
12.1
points

Score distribution

The chart shows the top 10 models on TruthfulQA, with DeepSeek-Coder Base highlighted. Longer bars mean higher scores.

GPT-5.1 Max 91.1
Gemini 3 Pro Reasoning 90.3
GPT-5.1 Reasoning 90.0
GPT-5.2 Pro 90.0
GPT-5.2 89.7
Gemini 3 Pro Max 89.6
Grok 4 Reasoning 89.4
Qwen3-Max Max 89.3
GPT-5.1 89.2
GPT-5.1 Turbo 89.2

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 GPT-5.1 Max OpenAI 2000000 $20.50 87.9
2 Gemini 3 Pro Reasoning Google DeepMind 200000 $19.69 87.5
3 GPT-5.1 Reasoning OpenAI 400000 $20.27 88.3
4 GPT-5.2 Pro OpenAI 2000000 $21.32 89.6
5 GPT-5.2 OpenAI 2000000 $19.71 88.0
6 Gemini 3 Pro Max Google DeepMind 2000000 $20.57 87.9
7 Grok 4 Reasoning xAI 2000000 $19.67 87.8
8 Qwen3-Max Max Alibaba Cloud 400000 $18.53 85.9
9 GPT-5.1 OpenAI 2000000 $19.01 86.0
10 GPT-5.1 Turbo OpenAI 2000000 $19.19 86.1

What this score means

On TruthfulQA, DeepSeek-Coder Base sits at #215 of 600. The leader, GPT-5.1 Max, scores 91.1, so the gap to the top is 12.1 points. The median model in this index scores 76.3, which puts DeepSeek-Coder Base above the midpoint.

DeepSeek models average 74.8 on this benchmark. DeepSeek-Coder Base is 4.2 points above that provider line, so it is a stronger result than the average DeepSeek model.

Among coding models, the average is 72.6. DeepSeek-Coder Base is 6.4 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 79.0 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 $3.53 per million input tokens, DeepSeek-Coder Base is below the median input price of $4.00 across the 600 models scored on TruthfulQA. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
Grok 4 Mini xAI 65536 $12.21 77.9
Phi-4 Chat Microsoft 65536 $3.66 74.7
Sonar Turbo Perplexity 65536 $10.71 75.7
Command R+ Cohere 32768 $3.96 76.3
DeepSeek-Coder Base DeepSeek 32768 $3.53 74.1
ERNIE 4.0 Turbo Baidu 65536 $12.00 78.0
Llama 3.1 Instruct Meta AI 200000 $4.05 75.7

Other benchmarks for DeepSeek-Coder Base

BenchmarkScoreRankPercentileRelative
MMLU-Pro 78.9 211 65th
GPQA Diamond 70.8 240 60th
SWE-bench Verified 59.3 337 44th
HumanEval 78.4 283 53th
MATH-500 74.2 341 43th
AIME 2025 71.7 223 63th
LiveCodeBench 67.3 242 60th
IFEval 81.6 282 53th
HellaSwag 84.8 255 58th
MMMU 69.0 325 46th
Arena Elo 1388.5 255 58th

FAQ

What score does DeepSeek-Coder Base get on TruthfulQA?

DeepSeek-Coder Base scores 79.0 on TruthfulQA in this index. The benchmark average is 73.6 and the top score is 91.1.

How does DeepSeek-Coder Base rank on TruthfulQA?

It ranks #215 of 600 models, in the 64th percentile. The leader is GPT-5.1 Max at 91.1.

Is DeepSeek-Coder Base good at TruthfulQA?

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 TruthfulQA score calculated?

TruthfulQA is a safety 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 DeepSeek-Coder Base cost?

DeepSeek-Coder Base costs $3.53 per million input tokens and $12.53 per million output tokens.

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