Grok 4.3 alternatives
Looking for an alternative to Grok 4.3? Here are the 6 closest llm provider / model options for AI coding, each ranked by how well it replaces Grok 4.3 — with the concrete reason to switch.
Quick comparison
| Model | Input price | SWE-bench | Context window | Speed |
|---|---|---|---|---|
| Grok 4.3 (you) | $1.25 | 52% | 1M+ | Fast |
| Llama 4 Maverick | Free (self-hosted) | 46% | 1M+ | Fast |
| Mistral Large 3 | $0.50 | 46% | 256K | Standard |
| Qwen 3 Coder | Free (self-hosted) | 50% | 256K | Standard |
| Claude Sonnet 4.6 | $3 | 64% | 1M+ | Standard |
| Grok 4.20 | $1.25 | 58% | 1M+ | Slow/Reasoning |
| o4-mini | $1.10 | 68% | 200K | Fast |
The best Grok 4.3 alternatives
Latest open-weights from Meta, large context, self-hosted coding with vision
Why consider it instead:
- Cheaper — $0/1M input vs $1.25
Top open-weight multipurpose model, multilingual coding, self-hosting with frontier quality
Why consider it instead:
- Cheaper — $0.5/1M input vs $1.25, ~2.5× less
Open-source coding specialist, long-context code generation, FIM completions on local hardware
Why consider it instead:
- Cheaper — $0/1M input vs $1.25
Day-to-day coding, fast agentic loops, balanced cost/quality
Why consider it instead:
- Higher SWE-bench (64% vs 52%)
Deep reasoning, multi-step agentic coding, massive context tasks
Why consider it instead:
- Higher SWE-bench (58% vs 52%)
o4-mini
Cheap fast reasoning, agentic coding loops, high-volume tasks
Why consider it instead:
- Cheaper — $1.1/1M input vs $1.25, ~1.1× less
- Higher SWE-bench (68% vs 52%)
Switching from Grok 4.3? Check the new tool fits the rest of your stack — Flowpicker shows compatibility warnings live.
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