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GPT-4 Turbo Preview vs Stockmark 2 100B Instruct

GPT-4 Turbo Preview (2023) and Stockmark 2 100B Instruct (2025) are compact production models from OpenAI and Stockmark. GPT-4 Turbo Preview ships a 128K-token context window, while Stockmark 2 100B Instruct ships a 128K-token context window. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit. It focuses on practical selection signals rather than broad model-family marketing. The goal is to make the tradeoff clear before deeper testing.

Stockmark 2 100B Instruct is safer overall; choose GPT-4 Turbo Preview when coding workflow support matters.

Decision scorecard

Local evidence first
SignalGPT-4 Turbo PreviewStockmark 2 100B Instruct
Decision fitCoding, RAG, and AgentsLong context
Context window128K128K
Cheapest output$30/1M tokens-
Provider routes3 tracked1 tracked
Shared benchmarks0 rows0 rows

Decision tradeoffs

Choose GPT-4 Turbo Preview when...
  • GPT-4 Turbo Preview has broader tracked provider coverage for fallback and procurement flexibility.
  • GPT-4 Turbo Preview uniquely exposes Vision, Structured outputs, and Code execution in local model data.
  • Local decision data tags GPT-4 Turbo Preview for Coding, RAG, and Agents.
Choose Stockmark 2 100B Instruct when...
  • Local decision data tags Stockmark 2 100B Instruct for Long context.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output prices on this page.

GPT-4 Turbo Preview

$15,500

Cheapest tracked route: OpenAI API

Stockmark 2 100B Instruct

Unavailable

No complete token price in local provider data

Cost delta unavailable until both models have sourced input and output token prices.

Switch friction

GPT-4 Turbo Preview -> Stockmark 2 100B Instruct
  • No overlapping tracked provider route is sourced for GPT-4 Turbo Preview and Stockmark 2 100B Instruct; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Vision, Structured outputs, and Code execution before moving production traffic.
Stockmark 2 100B Instruct -> GPT-4 Turbo Preview
  • No overlapping tracked provider route is sourced for Stockmark 2 100B Instruct and GPT-4 Turbo Preview; plan for SDK, billing, or endpoint changes.
  • GPT-4 Turbo Preview adds Vision, Structured outputs, and Code execution in local capability data.

Specs

Specification
Released2023-11-062025-06-01
Context window128K128K
Parameters1.76T (8x222B MoE)*100B
Architecturemixture of expertsdecoder only
LicenseProprietary1
Knowledge cutoff2023-12-

Pricing and availability

Pricing attributeGPT-4 Turbo PreviewStockmark 2 100B Instruct
Input price$10/1M tokens-
Output price$30/1M tokens-
Providers

Capabilities

CapabilityGPT-4 Turbo PreviewStockmark 2 100B Instruct
VisionYesNo
MultimodalNoNo
ReasoningNoNo
Function callingNoNo
Tool useNoNo
Structured outputsYesNo
Code executionYesNo

Benchmarks

No shared benchmark rows are currently sourced for this pair.

Deep dive

The capability footprint differs most on vision: GPT-4 Turbo Preview, structured outputs: GPT-4 Turbo Preview, and code execution: GPT-4 Turbo Preview. Both models share the core language-model surface, 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.

Pricing coverage is uneven: GPT-4 Turbo Preview has $10/1M input tokens and Stockmark 2 100B Instruct has no token price sourced yet. Provider availability is 3 tracked routes versus 1. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.

Choose GPT-4 Turbo Preview when coding workflow support and broader provider choice are central to the workload. Choose Stockmark 2 100B Instruct when provider fit 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. It also helps separate model capability from provider packaging, which can change cost and latency.

FAQ

Which has a larger context window, GPT-4 Turbo Preview or Stockmark 2 100B Instruct?

GPT-4 Turbo Preview supports 128K tokens, while Stockmark 2 100B Instruct supports 128K tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.

Is GPT-4 Turbo Preview or Stockmark 2 100B Instruct open source?

GPT-4 Turbo Preview is listed under Proprietary. Stockmark 2 100B Instruct is listed under 1. 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 Preview or Stockmark 2 100B Instruct?

GPT-4 Turbo Preview has the clearer documented vision signal in this comparison. If vision is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.

Which is better for structured outputs, GPT-4 Turbo Preview or Stockmark 2 100B Instruct?

GPT-4 Turbo Preview has the clearer documented structured outputs signal in this comparison. If structured outputs is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.

Which is better for code execution, GPT-4 Turbo Preview or Stockmark 2 100B Instruct?

GPT-4 Turbo Preview has the clearer documented code execution signal in this comparison. If code execution is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.

Where can I run GPT-4 Turbo Preview and Stockmark 2 100B Instruct?

GPT-4 Turbo Preview is available on OpenAI API, Azure OpenAI, and OpenRouter. Stockmark 2 100B Instruct is available on NVIDIA NIM. Provider coverage can affect latency, region availability, compliance posture, and fallback options.

Continue comparing

Last reviewed: 2026-05-11. Data sourced from public model cards and provider documentation.