Head-to-Head Model Comparison

GPT-5.2 Codex vs Devstral 2

Benchmarks, API Token Pricing, Context Window & Speed Comparison

Revisado pela equipe de pesquisa do GetInfoUsÚltima revisão: October 2026Política editorial
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AI CompareAI BenchmarkToken PricingModel CostModel SpecsSWE-bench CodingModel VersusWhich AI ModelLLM Speed & LatencyReasoning ModelsExtended ThinkingPrompt Caching ROI
GPT-5.2 Codex vs Devstral 2: Benchmarks, Pricing & Speed Comparison

GPT-5.2 Codex da OpenAI e Devstral 2 da Mistral AI são dois modelos de IA de destaque. O GPT-5.2 Codex oferece uma janela de contexto de 400K tokens a $1.75/$14.00 por milhão de tokens, enquanto o Devstral 2 oferece 262.1K tokens de contexto a $1.50/$4.50 por milhão de tokens. Veja abaixo a comparação completa de benchmarks, latência e custos.

Comparação Direta (VS)

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OpenAI

GPT-5.2 Codex

IA Agêntica e Uso de Ferramentas

O GPT-5.2 Codex da OpenAI é um modelo de IA projetado para fluxos de trabalho agênticos autônomos, chamada de ferramentas e automação, oferecendo janela de contexto de 400K, velocidade de 118 tokens/s, índice de inteligência de 66/100 e tar

Intelligence Index66 / 100
Input Token:

$1.75 / 1M

Output Token:

$14.00 / 1M

Context Window:

400K tokens

SWE-bench Verified:

78.1%

Mistral AI

Devstral 2

IA Agêntica e Uso de Ferramentas

O Devstral 2 da Mistral AI é um modelo de IA projetado para fluxos de trabalho agênticos autônomos, chamada de ferramentas e automação, oferecendo janela de contexto de 262K, velocidade de 70 tokens/s, índice de inteligência de 56/100 e tar

Intelligence Index56 / 100
Input Token:

$1.50 / 1M

Output Token:

$4.50 / 1M

Context Window:

262.1K tokens

SWE-bench Verified:

58.2%

Principais Diferenças em Resumo

  • Devstral 2 is 2.3x cheaper for API usage (input + output tokens combined).
  • GPT-5.2 Codex has a larger context window (400K vs 262K tokens).
  • GPT-5.2 Codex is faster at 118 tok/s vs 70 tok/s.
  • GPT-5.2 Codex leads on SWE-bench coding (78.1% vs 58.2%).
Need definitions for token pricing, context, or benchmarks?Explore AI Glossary →
FeatureGPT-5.2 CodexDevstral 2
Intelligence Index
Composite reasoning & knowledge score (0-100)
6656
Provider
OpenAIMistral AI
Input Price
Cost per million input tokens
$1.75 / 1M$1.50 / 1M
Output Price
Cost per million output tokens
$14.00 / 1M$4.50 / 1M
Blended Price
Weighted 7:2:1 cache:input:output per 1M
$1.87 / 1M$0.99 / 1M
Context Window
Maximum input + output tokens
400K tokens~600 A4 pages of text262.1K tokens~393 A4 pages of text
Max Output Tokens
Per single request
128K66K
Throughput Speed
Tokens generated per second
118 tok/s70 tok/s
SWE-bench Verified
Real-world software engineering
78.1%58.2%
GPQA Diamond
Graduate-level reasoning
78.2%66.5%
Cached Input Price
Prompt caching discount per 1M tokens
$0.17 / 1M$0.35 / 1M

Quem vence em cada categoria?

At-a-glance decision framework
Coding
GPT-5.2 Codex
+19.9% SWE-bench lead
Cost
Devstral 2
2.3x cheaper monthly runtime
Speed
GPT-5.2 Codex
+69% faster generation
Context
GPT-5.2 Codex
400K tokens window

Pontuações de Benchmarks Verificadas

Official evaluation metrics verified by independent third-party research labs.

GPT-5.2 CodexDevstral 2
SWE-bench Verified (Autonomous Coding)

Industry benchmark evaluating real-world GitHub issue resolution and multi-file debugging.

78.1%vs58.2%
GPQA Diamond (Doctorate-Level Science & Math)

Challenging questions created by domain experts to test complex PhD-level reasoning.

78.2%vs66.5%
MMLU-Pro (Multi-task Language Understanding)

Hardened reasoning and academic knowledge benchmark with reduced lucky-guess probability.

87.4%vs83.5%
LMSYS Chatbot Arena Elo

Crowdsourced human preference evaluation based on blind, head-to-head model battles.

1398ptsvs1365pts
Humanity's Last Exam (Frontier Expert Knowledge)

Extremely difficult, closed-ended questions spanning the frontier of human expert knowledge.

13.8%vsN/A
Terminal-Bench (Agentic Coding & Terminal Use)

Autonomous multi-step tasks executed inside a real command-line terminal environment.

53.5%vs52%
SciCode (Scientific Computing)

Research-grade coding problems drawn from real scientific and numerical workloads.

48.5%vsN/A
LiveCodeBench (Competitive Coding)

Contamination-free competitive programming problems collected continuously over time.

76.5%vsN/A
AIME (Advanced Math Competition)

American Invitational Mathematics Examination — multi-step Olympiad-level reasoning.

93.8%vs78%
Long-Context Reasoning

Accuracy when reasoning over very large inputs that fill the model context window.

82%vs82%
Generation Speed (Throughput)

Tokens emitted per second during active generation streaming.

118 tok/s vs70 tok/s

Latência e Tempo de Resposta

Time to first token (TTFT) and estimated end-to-end response time for a typical 500-token response.

Time to First Token (TTFT)Lower is better
GPT-5.2 Codex1.28s
Devstral 20.52s
Est. End-to-End Response (500 tokens)TTFT + generation time
GPT-5.2 Codex5.52s
Devstral 27.66s

Simulador Interativo de Custo de Tokens

Adjust sliders to calculate projected monthly cloud API spending with prompt caching discounts.

100K / day
10K500K1M
30K / day
5K150K300K
50% cached
0% (Cold)50%90% (Warm)
GPT-5.2 Codex Monthly API Bill
$15.49 / month
$1.75/1M in · $14/1M out
Devstral 2 Monthly API Bill
$6.82 / month
$1.5/1M in · $4.5/1M out
Devstral 2 saves approximately $8.66 / month (56%) under this workload.2.3x Savings

GPT-5.2 Codex · Strengths & Key Advantages

  • Janela de contexto de 400K com limite máximo de saída de 128K tokens (SWE-bench Verified 78.1% · GPQA Diamond 78.2%)
  • Taxa de transferência rápida de 118 tokens/segundo com latência inicial (TTFT) de 1280 ms
  • Economia de API competitiva ($1.75/$14 por 1M de tokens) com suporte a cache de prompts e saídas JSON estruturadas
Considerations & Trade-offs
  • Modelo proprietário em nuvem; não permite download dos pesos para execução local offline
  • Em derivações científicas extremas, modelos pesados dedicados exclusivamente ao raciocínio oferecem maior profundidade

Devstral 2 · Strengths & Key Advantages

  • Janela de contexto de 262K com limite máximo de saída de 66K tokens (SWE-bench Verified 58.2% · GPQA Diamond 66.5%)
  • Taxa de transferência rápida de 70 tokens/segundo com latência inicial (TTFT) de 520 ms
  • Pesos abertos (123B) para auto-hospedagem local ou em nuvem privada via vLLM, SGLang ou Ollama
Considerations & Trade-offs
  • Requer servidores GPU com memória VRAM adequada para execução local em precisão total
  • Em derivações científicas extremas, modelos pesados dedicados exclusivamente ao raciocínio oferecem maior profundidade

Token Use & Task Economics

Estimated cost and token consumption to complete one representative agentic task.

MetricGPT-5.2 CodexDevstral 2
Cost per Task
Estimated USD to finish one task
$2.20$0.65
Output Tokens / Task
Tokens generated per task
60K42K
Reasoning Tokens / Task
Thinking tokens burned per task
34K20K

Especificações Técnicas

Architecture, release timeline, capabilities, and modalities.

FeatureGPT-5.2 CodexDevstral 2
Official API Model ID (SDK)gpt-5-2-codexdevstral-2-latest
API ProtocolOpenAI Responses API & Chat Completions v1OpenAI-Compatible REST / vLLM / SGLang / HuggingFace TGI
Release Date2025-122025-12
Knowledge CutoffAugust 2025October 2025
ArchitectureCode-specialised long-horizon reasoning modelAdvanced Agentic Code Transformer
ParametersConfidential123B
Enterprise Rate Limits (RPM / TPM)10,000 – 30,000 RPM (Tier 5 Enterprise) · 800,000 – 2,000,000 TPMUnlimited (Hardware-bound on self-hosted GPU) / 10,000 RPM Cloud · Unlimited local throughput / 10M+ TPM Managed Cloud
Long-Context Tier (>128K/200K)Flat rate ($1.75/1M in) across full 400K windowFlat rate ($1.5/1M in) across full 262K window
Prompt Cache Policy & TTLAutomatic prefix caching at $0.175/1M (no extra cache-write fee)Cached input at $0.35/1M tokens
Computer Use / GUI AgentSupported (Screen coordinate grounding, browser & desktop GUI action loops)API / CLI Tool-Use & DOM Agent ready (no raw pixel desktop click loop)
MCP & Parallel Tool CallingNative MCP Client/Server ready · Parallel function calling · 100% Strict JSON SchemaNative MCP Client/Server ready · Parallel function calling · 100% Strict JSON Schema
Web Search Grounding & SandboxNative Web Search tool + Hosted Code Interpreter & File Search RAGSupported via external Tavily/Exa Search & E2B/Docker Sandbox tools
Official Fine-Tuning SupportSupervised Fine-Tuning (SFT), Direct Preference (DPO) & Reinforcement Fine-Tuning (RFT)Full Weights SFT, LoRA, QLoRA, DPO & GRPO RL (Unsloth / Axolotl / Llama-Factory)
Multimodal Token BillingText BPE (~4 chars/token) · Vision (~258–765 tokens per image tile)Text BPE (~4 chars/token)
Quantization & Min GPU VRAMCloud-Hosted Proprietary (FP8 / BF16 Tensor Core Cluster) · Zero Local VRAM Required (100% Serverless Cloud API)BF16 / FP16, FP8 Dynamic, INT4 AWQ / GPTQ, GGUF (Q4_K_M / Q8_0) · 76 GB VRAM (4-bit Quantized) · 264 GB VRAM (Native BF16)
Safety & Frontier ClassificationOpenAI Preparedness Framework Audited & System Card PublishedOpen-Weights System Card + Customizable Guardrail Layer (Llama Guard / ShieldGemma)
Enterprise Compliance (ZDR/HIPAA/SOC2)SOC2 Type II · GDPR · Zero Data Retention (ZDR) & HIPAA BAA Available on Enterprise Tier100% Air-Gapped On-Premises / Private VPC · Full HIPAA, GDPR & SOC2 Control
Input Modalitiestext, visiontext
Output Modalitiestexttext

GPT-5.2 Codex vs Devstral 2: Respostas Rápidas (FAQ)

Which is more intelligent, GPT-5.2 Codex or Devstral 2?

GPT-5.2 Codex is more intelligent. It scores 66 compared with 56 on the composite Intelligence Index.

Which model is faster?

GPT-5.2 Codex is faster, generating 118 tokens per second compared with 70 tokens per second.

Which model is cheaper to run?

Devstral 2 is cheaper at $0.99 per 1M tokens blended, compared with $1.87 (7:2:1 cache:input:output ratio).

Which model has lower latency?

Devstral 2 has lower latency, with a time to first token of 0.52s compared with 1.28s.

Which model has a larger context window?

GPT-5.2 Codex has a larger context window, supporting 400K tokens compared with 262.1K tokens.

Veredito

Tanto GPT-5.2 Codex (Indicado para fluxos de trabalho agênticos autônomos, chamada de ferramentas e automação, arquiteturas RAG corporativas e integração escalável via API.) quanto Devstral 2 (Indicado para fluxos de trabalho agênticos autônomos, chamada de ferramentas e automação, arquiteturas RAG corporativas e integração escalável via API.) entregam excelente desempenho: GPT-5.2 Codex lidera em inteligência geral e programação, GPT-5.2 Codex oferece geração mais rápida e Devstral 2 apresenta o melhor custo-benefício em produção.

Perguntas Frequentes (FAQ)

Qual é melhor para programação e raciocínio, GPT-5.2 Codex ou Devstral 2?+

Nas avaliações de inteligência e código, GPT-5.2 Codex leva vantagem. Confira os gráficos SWE-bench e GPQA acima para detalhes.

Qual modelo tem a API mais barata, GPT-5.2 Codex ou Devstral 2?+

O GPT-5.2 Codex custa $1.75 / $14.00 por 1M de tokens (entrada/saída) e o Devstral 2 custa $1.50 / $4.50. No custo combinado, Devstral 2 é mais econômico.

Qual modelo possui maior janela de contexto e velocidade?+

O GPT-5.2 Codex suporta 400K tokens de contexto contra 262.1K tokens do Devstral 2, enquanto GPT-5.2 Codex entrega maior velocidade de geração.

AI Terminology & Guide
Explore Glossary →

Understand key metrics like context window, token pricing, reasoning mode, and SWE-bench scores in our comprehensive AI glossary.

Benchmark scores, token prices, and rate limits evolve rapidly as AI labs release model updates. Always verify current specifications and pricing on the official provider documentation.

Fontes oficiais: Documentação oficial de API da OpenAI e Mistral AI e benchmarks independentes (2026).