Head-to-Head Model Comparison

Mistral Medium 3.5 vs GPT-5.5

Benchmarks, API Token Pricing, Context Window & Speed Comparison

Revisado por el equipo de investigación de GetInfoUsÚltima revisión: October 2026Política editorial
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AI CompareAI BenchmarkToken PricingModel CostModel SpecsSWE-bench CodingModel VersusWhich AI ModelLLM Speed & LatencyReasoning ModelsExtended ThinkingPrompt Caching ROI
Mistral Medium 3.5 vs GPT-5.5: Benchmarks, Pricing & Speed Comparison

Mistral Medium 3.5 de Mistral AI y GPT-5.5 de OpenAI compiten directamente en el ecosistema actual de IA. Mistral Medium 3.5 ofrece una ventana de contexto de 262.1K tokens a $0.40/$2.00 por millón de tokens (entrada/salida), mientras que GPT-5.5 ofrece 1.05M tokens de contexto a $5.00/$30.00 por millón de tokens. Analizamos sus benchmarks, latencia y costos reales.

Comparación Directa (VS)

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Mistral AI

Mistral Medium 3.5

Modelo Base de Pesos Abiertos

Mistral Medium 3.5 de Mistral AI es un modelo de IA diseñado para autoalojamiento en servidores propios, ajuste fino (fine-tuning) y soberanía de datos, con ventana de contexto de 262K, velocidad de 90 tokens/s, índice de inteligencia de 55

Intelligence Index55 / 100
Input Token:

$0.40 / 1M

Output Token:

$2.00 / 1M

Context Window:

262.1K tokens

SWE-bench Verified:

54%

OpenAI

GPT-5.5

Modelo Insignia de Frontera

GPT-5.5 de OpenAI es un modelo de IA diseñado para razonamiento empresarial de frontera, programación avanzada y flujos de producción, con ventana de contexto de 1.1M, velocidad de 112 tokens/s, índice de inteligencia de 84/100 y tarifa de

Intelligence Index84 / 100
Input Token:

$5.00 / 1M

Output Token:

$30.00 / 1M

Context Window:

1.05M tokens

SWE-bench Verified:

81%

Diferencias Clave de un Vistazo

  • Mistral Medium 3.5 is 13.8x cheaper for API usage (input + output tokens combined).
  • GPT-5.5 has a larger context window (1M vs 262K tokens).
  • GPT-5.5 is faster at 112 tok/s vs 90 tok/s.
  • GPT-5.5 leads on SWE-bench coding (81.0% vs 54.0%).
Need definitions for token pricing, context, or benchmarks?Explore AI Glossary →
CaracterísticaMistral Medium 3.5GPT-5.5
Intelligence Index
Composite reasoning & knowledge score (0-100)
5584
Provider
Mistral AIOpenAI
Input Price
Cost per million input tokens
$0.40 / 1M$5.00 / 1M
Output Price
Cost per million output tokens
$2.00 / 1M$30.00 / 1M
Blended Price
Weighted 7:2:1 cache:input:output per 1M
$0.35 / 1M$4.35 / 1M
Context Window
Maximum input + output tokens
262.1K tokens~393 A4 pages of text1.05M tokens~1,575 A4 pages of text
Max Output Tokens
Per single request
33K128K
Throughput Speed
Tokens generated per second
90 tok/s112 tok/s
SWE-bench Verified
Real-world software engineering
54%81%
GPQA Diamond
Graduate-level reasoning
68%80%
Cached Input Price
Prompt caching discount per 1M tokens
$0.10 / 1M$0.50 / 1M

¿Quién gana en cada área?

At-a-glance decision framework
Código
GPT-5.5
+27.0% SWE-bench lead
Costo
Mistral Medium 3.5
13.8x cheaper monthly runtime
Velocidad
GPT-5.5
+24% faster generation
Contexto
GPT-5.5
1.05M tokens window

Puntuaciones de Benchmarks Verificadas

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

Mistral Medium 3.5GPT-5.5
SWE-bench Verified (Autonomous Coding)

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

54%vs81%
GPQA Diamond (Doctorate-Level Science & Math)

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

68%vs80%
MMLU-Pro (Multi-task Language Understanding)

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

84.5%vs89.6%
LMSYS Chatbot Arena Elo

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

1370ptsvs1465pts
Humanity's Last Exam (Frontier Expert Knowledge)

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

N/Avs16.2%
Terminal-Bench (Agentic Coding & Terminal Use)

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

46%vs57.5%
SciCode (Scientific Computing)

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

N/Avs52%
LiveCodeBench (Competitive Coding)

Contamination-free competitive programming problems collected continuously over time.

N/Avs78.5%
AIME (Advanced Math Competition)

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

78%vs94.8%
Long-Context Reasoning

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

85%vs87%
Generation Speed (Throughput)

Tokens emitted per second during active generation streaming.

90 tok/s vs112 tok/s

Latencia y Tiempo de Respuesta

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
Mistral Medium 3.50.45s
GPT-5.51.18s
Est. End-to-End Response (500 tokens)TTFT + generation time
Mistral Medium 3.56.01s
GPT-5.55.64s

Simulador Interactivo de Costos 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)
Mistral Medium 3.5 Monthly API Bill
$2.55 / month
$0.4/1M in · $2/1M out
GPT-5.5 Monthly API Bill
$35.25 / month
$5/1M in · $30/1M out
Mistral Medium 3.5 saves approximately $32.70 / month (93%) under this workload.13.8x Savings

Mistral Medium 3.5 · Strengths & Key Advantages

  • Ventana de contexto de 262K con hasta 33K tokens de salida máxima (SWE-bench Verified 54% · GPQA Diamond 68%)
  • Rendimiento ágil de 90 tokens/segundo con latencia inicial (TTFT) de solo 450 ms
  • Pesos abiertos (Confidential (~80B MoE)) listos para autoalojamiento local o en nube privada mediante vLLM y Ollama
Considerations & Trade-offs
  • Requiere infraestructura GPU dedicada con suficiente memoria VRAM para inferencia local sin cuantización
  • En demostraciones científicas extremas, los modelos de razonamiento pesado de gama alta ofrecen mayor profundidad

GPT-5.5 · Strengths & Key Advantages

  • Ventana de contexto de 1.1M con hasta 128K tokens de salida máxima (SWE-bench Verified 81% · GPQA Diamond 80%)
  • Rendimiento ágil de 112 tokens/segundo con latencia inicial (TTFT) de solo 1180 ms
  • Economía de API competitiva ($5/$30 por 1M de tokens) con soporte para caché de prompts y salidas JSON estructuradas
Considerations & Trade-offs
  • Modelo propietario en la nube; no permite descargar los pesos para ejecución local sin conexión
  • En volúmenes masivos de tokens, se recomienda activar el caché de prompts y Batch API para optimizar costos

Token Use & Task Economics

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

MetricMistral Medium 3.5GPT-5.5
Cost per Task
Estimated USD to finish one task
$0.38$3.90
Output Tokens / Task
Tokens generated per task
38K64K
Reasoning Tokens / Task
Thinking tokens burned per task
18K37K

Especificaciones Técnicas

Architecture, release timeline, capabilities, and modalities.

CaracterísticaMistral Medium 3.5GPT-5.5
Official API Model ID (SDK)mistral-medium-3-5-latestgpt-5-5
API ProtocolOpenAI-Compatible REST / vLLM / SGLang / HuggingFace TGIOpenAI Responses API & Chat Completions v1
Release Date2026-042026-04
Knowledge CutoffFebruary 2026December 2025
ArchitectureEnterprise Hybrid Reasoning MoEDefault frontier unified reasoning model
ParametersConfidential (~80B MoE)Confidential
Enterprise Rate Limits (RPM / TPM)Unlimited (Hardware-bound on self-hosted GPU) / 10,000 RPM Cloud · Unlimited local throughput / 10M+ TPM Managed Cloud10,000 – 30,000 RPM (Tier 5 Enterprise) · 4,000,000 – 10,000,000 TPM
Long-Context Tier (>128K/200K)Flat rate ($0.4/1M in) across full 262K windowFlat rate ($5/1M in) across full 1050K window
Prompt Cache Policy & TTLCached input at $0.1/1M tokensAutomatic prefix caching at $0.5/1M (no extra cache-write fee)
Computer Use / GUI AgentAPI / CLI Tool-Use & DOM Agent ready (no raw pixel desktop click loop)Supported (Screen coordinate grounding, browser & desktop GUI action loops)
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 & SandboxSupported via external Tavily/Exa Search & E2B/Docker Sandbox toolsNative Web Search tool + Hosted Code Interpreter & File Search RAG
Official Fine-Tuning SupportFull Weights SFT, LoRA, QLoRA, DPO & GRPO RL (Unsloth / Axolotl / Llama-Factory)Supervised Fine-Tuning (SFT), Direct Preference (DPO) & Reinforcement Fine-Tuning (RFT)
Multimodal Token BillingText BPE (~4 chars/token) · Vision (~258–765 tokens per image tile)Text BPE (~4 chars/token) · Vision (~258–765 tokens per image tile)
Quantization & Min GPU VRAMBF16 / FP16, FP8 Dynamic, INT4 AWQ / GPTQ, GGUF (Q4_K_M / Q8_0) · 50 GB VRAM (4-bit Quantized) · 172 GB VRAM (Native BF16)Cloud-Hosted Proprietary (FP8 / BF16 Tensor Core Cluster) · Zero Local VRAM Required (100% Serverless Cloud API)
Safety & Frontier ClassificationOpen-Weights System Card + Customizable Guardrail Layer (Llama Guard / ShieldGemma)OpenAI Preparedness Framework Audited & System Card Published
Enterprise Compliance (ZDR/HIPAA/SOC2)100% Air-Gapped On-Premises / Private VPC · Full HIPAA, GDPR & SOC2 ControlSOC2 Type II · GDPR · Zero Data Retention (ZDR) & HIPAA BAA Available on Enterprise Tier
Input Modalitiestext, visiontext, vision
Output Modalitiestexttext

Mistral Medium 3.5 vs GPT-5.5: Respuestas Rápidas (FAQ)

Which is more intelligent, Mistral Medium 3.5 or GPT-5.5?

GPT-5.5 is more intelligent. It scores 84 compared with 55 on the composite Intelligence Index.

Which model is faster?

GPT-5.5 is faster, generating 112 tokens per second compared with 90 tokens per second.

Which model is cheaper to run?

Mistral Medium 3.5 is cheaper at $0.35 per 1M tokens blended, compared with $4.35 (7:2:1 cache:input:output ratio).

Which model has lower latency?

Mistral Medium 3.5 has lower latency, with a time to first token of 0.45s compared with 1.18s.

Which model has a larger context window?

GPT-5.5 has a larger context window, supporting 1.05M tokens compared with 262.1K tokens.

Veredicto

Tanto Mistral Medium 3.5 (Ideal para autoalojamiento en servidores propios, ajuste fino (fine-tuning) y soberanía de datos, sistemas RAG empresariales y automatización mediante API.) como GPT-5.5 (Ideal para razonamiento empresarial de frontera, programación avanzada y flujos de producción, sistemas RAG empresariales y automatización mediante API.) destacan en producción: GPT-5.5 lidera en inteligencia general y programación, GPT-5.5 ofrece mayor velocidad de generación de tokens y Mistral Medium 3.5 resulta más rentable para cargas de trabajo API de alto volumen.

Preguntas frecuentes

¿Cuál es mejor para programación y razonamiento, Mistral Medium 3.5 o GPT-5.5?+

En las pruebas de inteligencia compuesta y resolución de código, GPT-5.5 obtiene la ventaja. Puedes revisar la tabla SWE-bench y GPQA arriba para comparar cada métrica.

¿Cuánto cuesta la API de Mistral Medium 3.5 frente a GPT-5.5?+

Mistral Medium 3.5 cuesta $0.40 / $2.00 por millón de tokens de entrada/salida, mientras que GPT-5.5 cuesta $5.00 / $30.00. En costo combinado, Mistral Medium 3.5 es la opción más económica.

¿Qué modelo tiene mayor ventana de contexto y menor latencia?+

Mistral Medium 3.5 cuenta con 262.1K tokens de contexto frente a 1.05M tokens de GPT-5.5. En velocidad de inferencia, GPT-5.5 ofrece un rendimiento superior.

AI Terminology & Guide
Explore Glossary →

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

Las puntuaciones de benchmarks, precios por token y límites de tasa evolucionan rápidamente. Verifique siempre las especificaciones actuales en la documentación oficial del proveedor.

Fuentes: Documentación oficial de API de Mistral AI y OpenAI, tarjetas de sistema y benchmarks independientes (2026).