PeerLM logoPeerLM
All Comparisons

Anthropic: Claude Haiku 4.5 vs DeepSeek: DeepSeek V3.2: Coding Performance with 10 Evaluators

We evaluate how Anthropic: Claude Haiku 4.5 vs DeepSeek: DeepSeek V3.2 stack up in our Coding Performance with 10 Evaluators benchmark suite.

Anthropic: Claude Haiku 4.5

1.9

preference score

vs

DeepSeek: DeepSeek V3.2

8.1

preference score

Judges ranked the responses in this Run against each other; the rank is mapped onto a 0–10 scale. It shows which response was preferred, not how good either one is — and it is not a percentage, a pass rate, or a check that the output was correct.

Sample size for this comparison was not recorded. Treat it as directional.

Evidence clarification: this article predates recorded sample provenance. Treat its conclusions as claims about the displayed examples; they do not establish general model superiority, verified correctness, or production suitability.

Key Findings

Overall PerformanceDeepSeek: DeepSeek V3.2

Secured the top rank with an overall score of 8.11, significantly outperforming the competition.

Cost-EfficiencyDeepSeek: DeepSeek V3.2

Achieved a lower total cost ($0.000447) compared to the more expensive Anthropic: Claude Haiku 4.5.

Instruction FollowingDeepSeek: DeepSeek V3.2

Demonstrated superior capability in adhering to coding instructions over 10 independent evaluations.

Specifications

SpecAnthropic: Claude Haiku 4.5DeepSeek: DeepSeek V3.2
Provideranthropicdeepseek
Context Length200K164K
Input Price (per 1M tokens)$1.00$0.27
Output Price (per 1M tokens)$5.00$0.40
Max Output Tokens64,00065,536
Tieradvancedstandard

Our Verdict

DeepSeek: DeepSeek V3.2 is the clear winner in this coding-focused evaluation, offering both superior accuracy and a more cost-effective profile. Anthropic: Claude Haiku 4.5 struggled to match the performance levels of DeepSeek in this specific benchmark suite.

Overview

In the rapidly evolving landscape of LLMs, choosing the right model for software development tasks is critical. This analysis presents a head-to-head comparison between Anthropic: Claude Haiku 4.5 and DeepSeek: DeepSeek V3.2, focusing specifically on their Coding Performance with 10 Evaluators. By utilizing PeerLM's comparative evaluation methodology, we determine which model provides superior accuracy and instruction adherence when handling complex code-related prompts.

Benchmark Results

Our evaluation across 10 independent judges highlights a distinct leader in coding tasks. The following table summarizes the performance and cost metrics for both models based on the benchmark run.

Model Rank Overall Score Avg Prompt Tokens Avg Completion Tokens
DeepSeek: DeepSeek V3.2 1 8.11 216 146
Anthropic: Claude Haiku 4.5 2 1.89 237 197

Criteria Breakdown

The evaluation focused on two primary pillars of coding utility: Accuracy and Instruction Following. Because our methodology relies on comparative ranking rather than static rubric scoring, these aggregated scores reflect how the 10 evaluators perceived the models' output quality relative to one another. DeepSeek: DeepSeek V3.2 consistently outperformed the competition, securing an overall score of 8.11, while Anthropic: Claude Haiku 4.5 trailed with a score of 1.89.

Cost & Latency

Efficiency is a secondary but vital factor for developers integrating LLMs into IDE extensions or CI/CD pipelines. The cost comparison reveals a significant disparity between the two models:

  • DeepSeek: DeepSeek V3.2: Total cost of $0.000447 with a cost per output token of $0.000764.
  • Anthropic: Claude Haiku 4.5: Total cost of $0.004878 with a cost per output token of $0.006206.

DeepSeek: DeepSeek V3.2 demonstrates superior cost-efficiency, offering a more economical solution for high-volume coding tasks without compromising on the quality of the generated code.

Use Cases

Based on the Coding Performance with 10 Evaluators results, DeepSeek: DeepSeek V3.2 is highly recommended for developers seeking a balance of high-fidelity code generation and cost-effectiveness. Anthropic: Claude Haiku 4.5 may still find utility in specialized environments where specific model-native features are required, though it currently lags behind in raw coding benchmarks against this competitor.

Verdict

Our comparative evaluation clearly identifies DeepSeek: DeepSeek V3.2 as the stronger performer for coding tasks. It dominates the leaderboard with a superior score and significantly lower operational costs compared to Anthropic: Claude Haiku 4.5.

Backed by real data

View the Full Evaluation Report

See every response, score, and evaluator judgment behind this comparison. All data from PeerLM's blind evaluation pipeline.

View Report

Run your own Monitor

Compare Anthropic: Claude Haiku 4.5 and DeepSeek: DeepSeek V3.2 on sampled production prompts, with frozen criteria and inspectable evidence.

Start a Monitor

Get a free managed report

We'll run a full evaluation with your real prompts and deliver a detailed recommendation. Free for qualified teams.

Request Report

Methodology

Evaluated using PeerLM's blind evaluation pipeline with 4 responses per model across 2 criteria.