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Gemini 2.5 Pro Preview 05-06 vs Grok 2 Vision

Gemini 2.5 Pro Preview 05-06 (2025) and Grok 2 Vision (2024) are general-purpose language models from Google DeepMind and xAI. Gemini 2.5 Pro Preview 05-06 ships a 1M-token context window, while Grok 2 Vision ships a not-yet-sourced 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.

Gemini 2.5 Pro Preview 05-06 is safer overall; choose Grok 2 Vision when provider fit matters.

Specs

Specification
Released2025-05-062024-12-01
Context window1M
Parameters
Architecturedecoder only-
LicenseUnknownProprietary
Knowledge cutoff--

Pricing and availability

Pricing attributeGemini 2.5 Pro Preview 05-06Grok 2 Vision
Input price$1.25/1M tokens-
Output price$10/1M tokens-
Providers-

Capabilities

CapabilityGemini 2.5 Pro Preview 05-06Grok 2 Vision
VisionNoNo
MultimodalNoYes
ReasoningNoNo
Function callingNoNo
Tool useNoNo
Structured outputsYesNo
Code executionNoNo

Benchmarks

No shared benchmark rows are currently sourced for this pair.

Deep dive

The capability footprint differs most on multimodal input: Grok 2 Vision and structured outputs: Gemini 2.5 Pro Preview 05-06. 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: Gemini 2.5 Pro Preview 05-06 has $1.25/1M input tokens and Grok 2 Vision has no token price sourced yet. Provider availability is 1 tracked routes versus 0. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.

Choose Gemini 2.5 Pro Preview 05-06 when provider fit and broader provider choice are central to the workload. Choose Grok 2 Vision 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

Is Gemini 2.5 Pro Preview 05-06 or Grok 2 Vision open source?

Gemini 2.5 Pro Preview 05-06 is listed under Unknown. Grok 2 Vision 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 multimodal input, Gemini 2.5 Pro Preview 05-06 or Grok 2 Vision?

Grok 2 Vision has the clearer documented multimodal input signal in this comparison. If multimodal input 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, Gemini 2.5 Pro Preview 05-06 or Grok 2 Vision?

Gemini 2.5 Pro Preview 05-06 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.

Where can I run Gemini 2.5 Pro Preview 05-06 and Grok 2 Vision?

Gemini 2.5 Pro Preview 05-06 is available on OpenRouter. Grok 2 Vision is available on the tracked providers still being sourced. Provider coverage can affect latency, region availability, compliance posture, and fallback options.

When should I pick Gemini 2.5 Pro Preview 05-06 over Grok 2 Vision?

Gemini 2.5 Pro Preview 05-06 is safer overall; choose Grok 2 Vision when provider fit matters. If your workload also depends on provider fit, start with Gemini 2.5 Pro Preview 05-06; if it depends on provider fit, run the same evaluation with Grok 2 Vision.

Continue comparing

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