Grok Build 0.1 vs o3 Deep Research
Grok Build 0.1 (2026) and o3 Deep Research (2025) compare a coding-specialized model against a standalone API model. Grok Build 0.1 ships a 256k-token context window, while o3 Deep Research ships a 200k-token context window. On pricing, Grok Build 0.1 ranges from $1 to $2/1M input tokens by tier; o3 Deep Research costs $10/1M 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 Deep Research 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 Deep Research |
|---|---|---|
| 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 | RAG, Agents, and Long context |
| Context window | 256k | 200k |
| Cheapest output | $2/1M tokens | $40/1M tokens |
| Provider routes | 3 tracked | 1 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.
- Grok Build 0.1 has broader tracked provider coverage for fallback and procurement flexibility.
- Local decision data tags Grok Build 0.1 for Coding, RAG, and Agents.
- Local decision data tags o3 Deep Research for RAG, Agents, and Long context.
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 Deep Research
$18,000
Cheapest tracked route/tier: Vercel AI Gateway
Estimated monthly gap: $16,700. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- Provider overlap exists on Vercel AI Gateway; start route-level A/B tests there.
- o3 Deep Research is $38/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Provider overlap exists on Vercel AI Gateway; start route-level A/B tests there.
- Grok Build 0.1 is $38/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-05-14 | 2025-10-10 |
| 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 | - | 2024-06 |
Pricing and availability
| Pricing attribute | Grok Build 0.1 | o3 Deep Research |
|---|---|---|
| Input price |
| $10/1M tokens |
| Output price |
| $40/1M tokens |
| Providers |
Capabilities
| Capability | Grok Build 0.1 | o3 Deep Research |
|---|---|---|
| Vision | Yes | Yes |
| Multimodal | Yes | Yes |
| Reasoning | Yes | Yes |
| Function calling | Yes | Yes |
| Tool use | Yes | Yes |
| Structured outputs | Yes | Yes |
| Code execution | No | No |
| 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 is close: both models cover vision, multimodal input, reasoning mode, function calling, and tool use. That makes context budget, benchmark fit, and provider maturity more important than a simple checklist. If your application depends on one integration detail, verify it against the provider route you plan to use, not just the base model listing.
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 Deep Research lists $10/1M input and $40/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Grok Build 0.1 lower by about $17.70 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 1, 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 Deep Research when vision-heavy evaluation 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 Deep Research?
Grok Build 0.1 supports 256k tokens, while o3 Deep Research 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 Deep Research?
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 Deep Research lists $10/1M input and $40/1M 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 Deep Research open source?
Grok Build 0.1 is listed under Proprietary. o3 Deep Research 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 Deep Research?
Both Grok Build 0.1 and o3 Deep Research 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, Grok Build 0.1 or o3 Deep Research?
Both Grok Build 0.1 and o3 Deep Research 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 Grok Build 0.1 and o3 Deep Research?
Grok Build 0.1 is available on xAI Console, Vercel AI Gateway, and OpenRouter. o3 Deep Research is available on 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.