Codestral 2508 vs DeepSeek V3.2

DeepSeek V3.2 is the better all-around choice for reasoning, agentic planning, multilingual and persona-sensitive applications — it wins 7 of 12 benchmarks in our testing. Codestral 2508 is the pick for function selection and coding-agent workflows (tool_calling 5 vs 3) but comes at a higher price: 0.90 vs 0.38 per mTok output.

mistral

Codestral 2508

Overall
3.50/5Strong

Benchmark Scores

Faithfulness
5/5
Long Context
5/5
Multilingual
4/5
Tool Calling
5/5
Classification
3/5
Agentic Planning
4/5
Structured Output
5/5
Safety Calibration
1/5
Strategic Analysis
2/5
Persona Consistency
3/5
Constrained Rewriting
3/5
Creative Problem Solving
2/5

External Benchmarks

SWE-bench Verified
N/A
MATH Level 5
N/A
AIME 2025
N/A

Pricing

Input

$0.300/MTok

Output

$0.900/MTok

Context Window256K

modelpicker.net

deepseek

DeepSeek V3.2

Overall
4.25/5Strong

Benchmark Scores

Faithfulness
5/5
Long Context
5/5
Multilingual
5/5
Tool Calling
3/5
Classification
3/5
Agentic Planning
5/5
Structured Output
5/5
Safety Calibration
2/5
Strategic Analysis
5/5
Persona Consistency
5/5
Constrained Rewriting
4/5
Creative Problem Solving
4/5

External Benchmarks

SWE-bench Verified
N/A
MATH Level 5
N/A
AIME 2025
N/A

Pricing

Input

$0.260/MTok

Output

$0.380/MTok

Context Window164K

modelpicker.net

Benchmark Analysis

Summary of head-to-head scores in our 12-test suite (scores 1-5):

  • Wins for DeepSeek V3.2 (in our testing): strategic_analysis 5 vs 2 (DeepSeek ranks tied for 1st of 54), constrained_rewriting 4 vs 3 (DeepSeek rank 6/53), creative_problem_solving 4 vs 2 (DeepSeek rank 9/54), safety_calibration 2 vs 1 (DeepSeek rank 12/55), persona_consistency 5 vs 3 (DeepSeek tied for 1st of 53), agentic_planning 5 vs 4 (DeepSeek tied for 1st of 54), multilingual 5 vs 4 (DeepSeek tied for 1st of 55). These wins show DeepSeek is stronger for nuanced reasoning, persona-locked dialogue, failure recovery and multilingual outputs — important for assistants, analysis tools, and cross-language products.
  • Wins for Codestral 2508 (in our testing): tool_calling 5 vs 3 — Codestral is tied for 1st on tool_calling (ranked tied for 1st with 16 others), meaning better function selection, argument accuracy and sequencing in our tests; this aligns with its coding-focused description.
  • Ties: structured_output 5/5 (both tied for 1st), faithfulness 5/5 (both tied for 1st), classification 3/3, long_context 5/5 (both tied for 1st). Practically this means both models are equally strong at JSON/schema outputs, sticking to source material, basic routing/classification, and retrieval at 30K+ tokens in our benchmarks.
  • Ranks matter: Codestral's top ranking on tool_calling is meaningful for code-generation agents and test-generation automation; DeepSeek's top ranks on strategic_analysis, agentic_planning and persona_consistency matter for multi-step planning, safe behavior, and consistent conversational agents. Safety_calibration remains low in absolute terms for both (1 vs 2), so extra guardrails are recommended.
BenchmarkCodestral 2508DeepSeek V3.2
Faithfulness5/55/5
Long Context5/55/5
Multilingual4/55/5
Tool Calling5/53/5
Classification3/53/5
Agentic Planning4/55/5
Structured Output5/55/5
Safety Calibration1/52/5
Strategic Analysis2/55/5
Persona Consistency3/55/5
Constrained Rewriting3/54/5
Creative Problem Solving2/54/5
Summary1 wins7 wins

Pricing Analysis

Using the model's listed per-mTok prices: Codestral 2508 charges input $0.30 + output $0.90 = $1.20 per mTok blended; DeepSeek V3.2 charges input $0.26 + output $0.38 = $0.64 per mTok blended. If you assume a 50/50 split of input/output tokens, costs are: for 1M tokens/month — Codestral ≈ $600, DeepSeek ≈ $320; for 10M — Codestral ≈ $6,000, DeepSeek ≈ $3,200; for 100M — Codestral ≈ $60,000, DeepSeek ≈ $32,000. Note the output-only cost gap is larger: Codestral output is $0.90/mTok vs DeepSeek $0.38/mTok (2.368×). High-volume deployments, LLM-powered SaaS, and teams running many code-generation or agentic calls should care most about this gap; small-scale experimentation costs are modest but scale quickly with traffic.

Real-World Cost Comparison

TaskCodestral 2508DeepSeek V3.2
iChat response<$0.001<$0.001
iBlog post$0.0020<$0.001
iDocument batch$0.051$0.024
iPipeline run$0.510$0.242

Bottom Line

Choose Codestral 2508 if: you run high-frequency coding workflows, FIM or automated test-generation where function selection and low-latency tool-calling matter (tool_calling 5 vs 3) and you accept higher per-token spend. Choose DeepSeek V3.2 if: you need stronger strategic reasoning, agentic planning, persona consistency and multilingual output (DeepSeek wins 7 of 12 benchmarks), and you want materially lower costs per token (output $0.38 vs $0.90 per mTok). If budget is a primary constraint at scale, DeepSeek delivers similar structured output and faithfulness while costing roughly half per blended mTok.

How We Test

We test every model against our 12-benchmark suite covering tool calling, agentic planning, creative problem solving, safety calibration, and more. Each test is scored 1–5 by an LLM judge. Read our full methodology.

Frequently Asked Questions