LLM Reference

GPT-4 Turbo vs Mistral Medium 3 Instruct

GPT-4 Turbo (2024) and Mistral Medium 3 Instruct (2025) are compact production models from OpenAI and MistralAI. GPT-4 Turbo ships a 128k-token context window, while Mistral Medium 3 Instruct ships a 128k-token context window. On pricing, Mistral Medium 3 Instruct costs $0.40/1M input tokens versus $5/1M for the alternative. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

Mistral Medium 3 Instruct is ~1150% cheaper at $0.40/1M; pay for GPT-4 Turbo only for coding workflow support.

Decision scorecard

Local evidence first
SignalGPT-4 TurboMistral Medium 3 Instruct
Best formultimodal apps, tool-calling agents, and provider-routed productionmultimodal apps and provider-routed production
Decision fitCoding, RAG, and AgentsLong context and Vision
Context window128k128k
Cheapest output$15/1M tokens$2/1M tokens
Provider routes6 tracked2 tracked
Shared benchmarks0 rows0 rows

Decision tradeoffs

Choose GPT-4 Turbo when...
  • GPT-4 Turbo has broader tracked provider coverage for fallback and procurement flexibility.
  • GPT-4 Turbo uniquely exposes Function calling, Tool use, and Structured outputs in local model data.
  • Local decision data tags GPT-4 Turbo for Coding, RAG, and Agents.
Choose Mistral Medium 3 Instruct when...
  • Mistral Medium 3 Instruct has the lower cheapest tracked output price at $2/1M tokens.
  • Local decision data tags Mistral Medium 3 Instruct for Long context and Vision.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output route or tier on this page.

Lower estimate Mistral Medium 3 Instruct

GPT-4 Turbo

$7,750

Cheapest tracked route/tier: Replicate API

Mistral Medium 3 Instruct

$820

Cheapest tracked route/tier: Mistral AI Studio

Estimated monthly gap: $6,930. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

GPT-4 Turbo -> Mistral Medium 3 Instruct
  • No overlapping tracked provider route is sourced for GPT-4 Turbo and Mistral Medium 3 Instruct; plan for SDK, billing, or endpoint changes.
  • Mistral Medium 3 Instruct is $13/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • Check replacement coverage for Function calling, Tool use, and Structured outputs before moving production traffic.
Mistral Medium 3 Instruct -> GPT-4 Turbo
  • No overlapping tracked provider route is sourced for Mistral Medium 3 Instruct and GPT-4 Turbo; plan for SDK, billing, or endpoint changes.
  • GPT-4 Turbo is $13/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • GPT-4 Turbo adds Function calling, Tool use, and Structured outputs in local capability data.

Specs

Specification
Released2024-04-092025-10-01
Context window128k128k
Parameters1.76T (8x222B MoE)*
Architecturemixture of expertsdecoder only
LicenseProprietaryProprietary
OpennessProprietaryProprietary
Commercial useCommercial use with conditionsCommercial use with conditions
Knowledge cutoff2023-122025-03

Pricing and availability

Pricing attributeGPT-4 TurboMistral Medium 3 Instruct
Input price$5/1M tokens$0.40/1M tokens
Output price$15/1M tokens$2/1M tokens
Providers

Capabilities

CapabilityGPT-4 TurboMistral Medium 3 Instruct
VisionYesYes
MultimodalYesYes
ReasoningNoNo
Function callingYesNo
Tool useYesNo
Structured outputsYesNo
Code executionYesNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark rows are currently sourced for this pair.

Deep dive

The capability footprint differs most on function calling: GPT-4 Turbo, tool use: GPT-4 Turbo, structured outputs: GPT-4 Turbo, and code execution: GPT-4 Turbo. Both models share vision and multimodal input, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.

For cost, GPT-4 Turbo lists $5/1M input and $15/1M output tokens on the cheapest tracked provider, while Mistral Medium 3 Instruct lists $0.40/1M input and $2/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Mistral Medium 3 Instruct lower by about $7.12 per million blended tokens. Availability is 6 providers versus 2, so concentration risk also matters.

Choose GPT-4 Turbo when coding workflow support and broader provider choice are central to the workload. Choose Mistral Medium 3 Instruct when vision-heavy evaluation and lower input-token cost are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship. This keeps the decision grounded in measurable tradeoffs instead of brand-level assumptions.

FAQ

Which has a larger context window, GPT-4 Turbo or Mistral Medium 3 Instruct?

GPT-4 Turbo supports 128k tokens, while Mistral Medium 3 Instruct supports 128k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.

Which is cheaper, GPT-4 Turbo or Mistral Medium 3 Instruct?

Mistral Medium 3 Instruct is cheaper on tracked token pricing. GPT-4 Turbo costs $5/1M input and $15/1M output tokens. Mistral Medium 3 Instruct costs $0.40/1M input and $2/1M output tokens. Provider discounts or batch pricing can still change the final bill.

Is GPT-4 Turbo or Mistral Medium 3 Instruct open source?

GPT-4 Turbo is listed under Proprietary. Mistral Medium 3 Instruct is listed under Proprietary. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.

Which is better for vision, GPT-4 Turbo or Mistral Medium 3 Instruct?

Both GPT-4 Turbo and Mistral Medium 3 Instruct expose vision. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface.

Which is better for multimodal input, GPT-4 Turbo or Mistral Medium 3 Instruct?

Both GPT-4 Turbo and Mistral Medium 3 Instruct expose multimodal input. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface.

Where can I run GPT-4 Turbo and Mistral Medium 3 Instruct?

GPT-4 Turbo is available on OpenAI API, Azure OpenAI, Salesforce Einstein Generative AI, OpenRouter, and Replicate API. Mistral Medium 3 Instruct is available on NVIDIA NIM and Mistral AI Studio. Provider coverage can affect latency, region availability, compliance posture, and fallback options.

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Last reviewed: 2026-06-04. Data sourced from public model cards and provider documentation.