Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding…
Model details →Anthropic: Claude Opus 4.5 (batch) vs SpaceXAI: Grok Build 0.1
SpaceXAI: Grok Build 0.1 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Grok Build 0.1 is SpaceXAI’s fast coding model trained specifically for agentic software engineering workflows. It supports text and image inputs with text output, and is optimized for interactive coding...
Model details →Side-by-side comparison
| Capability | Anthropic: Claude Opus 4.5 (batch) | SpaceXAI: Grok Build 0.1 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 200K | 256K | 🏆 SpaceXAI: Grok Build 0.1 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.50 | $1.00 | 🏆 SpaceXAI: Grok Build 0.1 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $12.50 | $2.00 | 🏆 SpaceXAI: Grok Build 0.1 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Anthropic: Claude Opus 4.5 (batch) better than SpaceXAI: Grok Build 0.1?
SpaceXAI: Grok Build 0.1 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Anthropic: Claude Opus 4.5 (batch) and SpaceXAI: Grok Build 0.1?
Input: $2.50 vs $1.00 per 1M tokens. Output: $12.50 vs $2.00 per 1M tokens.
What context windows do Anthropic: Claude Opus 4.5 (batch) and SpaceXAI: Grok Build 0.1 support?
Anthropic: Claude Opus 4.5 (batch) supports up to 200K tokens. SpaceXAI: Grok Build 0.1 supports up to 256K tokens.
Do both Anthropic: Claude Opus 4.5 (batch) and SpaceXAI: Grok Build 0.1 support tool calling?
Anthropic: Claude Opus 4.5 (batch): yes. SpaceXAI: Grok Build 0.1: yes.
Compare Anthropic: Claude Opus 4.5 (batch) with other models
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