// alternatives · October 2026
SpaceXAI: Grok 4.5 alternatives
Cheaper models that come close, budget substitutes, and the cheapest step up — chosen on published LiveBench scores and live list price, never on our opinion. Every model here supports tool calling and image input, as SpaceXAI: Grok 4.5 does.
LiveBench hasn't published a run for SpaceXAI: Grok 4.5. The strongest benchmarked model at a similar or lower price is GPT-6.1 Terra, scoring 77.8 overall.
SpaceXAI: Grok 4.5: no published LiveBench run, $3.00 per 1M blended tokens, about $1,280/mo for a RAG assistant.
Benchmarked models at or below its price
SpaceXAI: Grok 4.5 has no published LiveBench run, so these are the highest-scoring benchmarked models priced no more than 25% above it — a known quantity to test against.
| Model | Overall | vs SpaceXAI: Grok 4.5 | Blended / 1M | RAG assistant | Context |
|---|---|---|---|---|---|
| GPT-6.1 Terraopenai 33% cheaper. Head to head → | 77.8 | — | $2.00−33% | $720.00/mo | 1.1M |
| DeepSeek V4.1 Flash 1017deepseek 83% cheaper. Head to head → | 74.0 | — | $0.525−83% | $194.40/mo | 1.0M |
| SpaceXAI: Grok 4.7x-ai the same list price. Head to head → | 70.1 | — | $3.00 | $1,360/mo | 500K |
| Claude Haiku 5.5anthropic 93% cheaper. Head to head → | 69.8 | — | $0.200−93% | $74.00/mo | 1M |
| MiMo-V2.6-Proxiaomi 82% cheaper. Head to head → | 68.5 | — | $0.544−82% | $227.64/mo | 1.1M |
| SpaceXAI: Grok 4.6x-ai the same list price. Head to head → | 67.8 | — | $3.00 | $1,360/mo | 500K |
SpaceXAI: Grok 4.5 alternatives FAQ
What is the best alternative to SpaceXAI: Grok 4.5?
GPT-6.1 Terra. 33% cheaper. Every suggestion supports tool calling and image input, like SpaceXAI: Grok 4.5.
How alternatives are chosen
- Scores — LiveBench release 2026-10-25. Only models with a published run are suggested on quality; a missing model means “not evaluated”, not “worse”.
- Prices — live list prices from OpenRouter, blended 3:1 input:output. Monthly figures price a RAG assistant with the published cached-input rate where there is one.
- Same job — suggestions must support every capability SpaceXAI: Grok 4.5 has among tool calling and image input. Other listings of the same model (free or batch tiers) are variants, not alternatives, and are left out.
A few points on a public benchmark can hide large differences on your own tasks. Shortlist here, then decide with an eval — how to build one.