Grok Build 0.1 vs o3-pro
Grok Build 0.1 (2026) and o3-pro (2025) compare a coding-specialized model against a standalone API model. Grok Build 0.1 ships a 256k-token context window, while o3-pro ships a 200k-token context window. On pricing, Grok Build 0.1 ranges from $1 to $2/1M input tokens by tier; o3-pro costs $20/1M input tokens. This page treats the result as workflow and deployment fit, not a universal model winner.
Treat this as a product-type comparison: Grok Build 0.1 is coding-specialized model, while o3-pro is standalone API model. Choose based on workflow fit before reading any benchmark or price row as decisive.
Decision scorecard
Local evidence first| Signal | Grok Build 0.1 | o3-pro |
|---|---|---|
| Product type | Coding-specialized model | Standalone API model |
| Best for | custom coding agents, code generation, and tool loops | reasoning-heavy apps, multimodal apps, and tool-calling agents |
| Decision fit | Coding, RAG, and Agents | Coding, RAG, and Agents |
| Context window | 256k | 200k |
| Cheapest output | $2/1M tokens | $80/1M tokens |
| Provider routes | 3 tracked | 3 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Grok Build 0.1 has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Grok Build 0.1 has the lower cheapest tracked output price at $2/1M tokens.
- Local decision data tags Grok Build 0.1 for Coding, RAG, and Agents.
- o3-pro uniquely exposes Code execution in local model data.
- Local decision data tags o3-pro for Coding, RAG, and Agents.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Grok Build 0.1
$1,300
Cheapest tracked route/tier: xAI Console
o3-pro
$36,000
Cheapest tracked route/tier: OpenRouter
Estimated monthly gap: $34,700. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- Provider overlap exists on OpenRouter and Vercel AI Gateway; start route-level A/B tests there.
- o3-pro is $78/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- o3-pro adds Code execution in local capability data.
- Provider overlap exists on Vercel AI Gateway and OpenRouter; start route-level A/B tests there.
- Grok Build 0.1 is $78/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Code execution before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-05-14 | 2025-06-10 |
| Context window | 256k | 200k |
| Parameters | — | — |
| Architecture | - | decoder only |
| License | Proprietary | Proprietary |
| Openness | Proprietary | Proprietary |
| Commercial use | Commercial use with conditions | Commercial use with conditions |
| Knowledge cutoff | - | 2025-08 |
Pricing and availability
| Pricing attribute | Grok Build 0.1 | o3-pro |
|---|---|---|
| Input price |
| $20/1M tokens |
| Output price |
| $80/1M tokens |
| Providers |
Capabilities
| Capability | Grok Build 0.1 | o3-pro |
|---|---|---|
| Vision | Yes | Yes |
| Multimodal | Yes | Yes |
| Reasoning | Yes | Yes |
| Function calling | Yes | Yes |
| Tool use | Yes | Yes |
| Structured outputs | Yes | Yes |
| Code execution | No | Yes |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on code execution: o3-pro. Both models share vision, multimodal input, reasoning mode, and function calling, 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, Grok Build 0.1 lists tiered pricing: 0-200,001t is $1/1M input and $2/1M output; 200,001t+ is $2/1M input and $4/1M output, while o3-pro lists $20/1M input and $80/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Grok Build 0.1 lower by about $36.70 per million blended tokens. For tiered rows, this cheapest-track view can understate interactive or fast-lane spend, so compare the tier you will actually use. Availability is 3 providers versus 3, so concentration risk also matters.
Choose Grok Build 0.1 when coding workflow support, larger context windows, and lower cheapest-tier input-token cost are central to the workload. Choose o3-pro when coding workflow support are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship.
FAQ
Which has a larger context window, Grok Build 0.1 or o3-pro?
Grok Build 0.1 supports 256k tokens, while o3-pro supports 200k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Which is cheaper, Grok Build 0.1 or o3-pro?
Grok Build 0.1 lists tiered pricing: 0-200,001t is $1/1M input and $2/1M output; 200,001t+ is $2/1M input and $4/1M output. o3-pro lists $20/1M input and $80/1M output tokens on the cheapest tracked provider. Compare the tier you will actually use; cheap async pricing can overstate savings for interactive workflows. Provider discounts or batch pricing can still change the final bill.
Is Grok Build 0.1 or o3-pro open source?
Grok Build 0.1 is listed under Proprietary. o3-pro 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, Grok Build 0.1 or o3-pro?
Both Grok Build 0.1 and o3-pro expose vision. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.
Which is better for multimodal input, Grok Build 0.1 or o3-pro?
Both Grok Build 0.1 and o3-pro expose multimodal input. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.
Where can I run Grok Build 0.1 and o3-pro?
Grok Build 0.1 is available on xAI Console, Vercel AI Gateway, and OpenRouter. o3-pro is available on OpenRouter, OpenAI API, and Vercel AI Gateway. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
Continue comparing
Last reviewed: 2026-06-06. Data sourced from public model cards and provider documentation.