Grok 4.5 Paid vs 
Claude Haiku 4.5 Paid
Grok 4.5 vs Claude Haiku 4.5 compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
Grok 4.5 — full profile › · Claude Haiku 4.5 — full profile ›
Prices & specs refreshed from live data · OpenSourceAI.tech
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
Grok 4.5 vs Claude Haiku 4.5 specs
| Spec | Grok 4.5 | Claude Haiku 4.5 |
|---|---|---|
| Maker | xAI | Anthropic |
| Type | Proprietary | Proprietary |
| Context window | 500K tokens | 200K tokens |
| Input price | $2/M | $1/M |
| Output price | $6/M | $5/M |
| Vision / multimodal | Yes | Yes |
| Tool / function calling | Yes | Yes |
| Self-hostable | No (API only) | No (API only) |
| License | Proprietary | Proprietary |
Feature comparison
| Capability | Grok 4.5 | Claude Haiku 4.5 |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✓ | ✓ |
| Tool / function calling | ✓ | ✓ |
| 1M+ context window | ✗ | ✗ |
Benchmarks: Grok 4.5 vs Claude Haiku 4.5
Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).
Benchmark data by Artificial Analysis.
How Grok 4.5 and Claude Haiku 4.5 score
| Criterion | Grok 4.5 | Claude Haiku 4.5 |
|---|---|---|
| Cost-efficiency | 4.0 | 4.0 |
| Context window | 4.5 | 4.0 |
| Openness | 1.5 | 1.5 |
| Self-hosting | 1.0 | 1.0 |
| Multimodality | 5.0 | 5.0 |
Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.
What each model is
Grok 4.5 Paid
Grok 4.5 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.
Claude Haiku 4.5 Paid
Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...
Other models in these families
These variants are tracked but not compared here — one page per family keeps the comparison readable.
Frequently asked questions
Grok 4.5 vs Claude Haiku 4.5 — which is cheaper?
Claude Haiku 4.5 is cheaper on output ($5/M vs $6/M).
Which has the larger context window?
Grok 4.5 offers the larger context window (500K tokens).
Grok 4.5 vs Claude Haiku 4.5 — which should I pick in 2026?
Choose Claude Haiku 4.5 for the lower output price ($5/M vs $6/M). Choose Grok 4.5 if you need the larger 500K context window.
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