Alternatives · 15 models compared · checked 10 Oct 2026
Grok 4.3 alternatives: 15 models in or near grid E5
The closest model to Grok 4.3 on the atlas is Gemini 2.5 Pro Preview 06-05, in the same square, at $1.25 per 1M input tokens against Grok 4.3’s . 4 of the 15 nearest models are cheaper on input; the cheapest is DeepSeek V4.1 Flash at $0.30. We rank by position on the atlas, not by capability, because we hold no capability data.
$1.25
observed We measured
- Source
- Our catalogue
- Retrieved
- 17 Aug 2026
Ask an AI about this pageGChatGPTCClaudePPerplexityGeGeminiXGrok
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Cite this page
ModelsAtlas. “Grok 4.3 alternatives: 15 models in or near grid E5”. Retrieved 10 Oct 2026. https://modelsatlas.com/models/xai/grok-4-3/alternatives
Where the alternatives sit
Each square is a price band (A–H) × a context band (1–6). How the grid works
Same squareGRIDE511 modelsClaude Sonnet 5, Claude Sonnet 5.5, Gemini 2.5 Pro Preview 06-05 and 8 more
Grok 4.3Its 15 nearest modelsOther modelsOpen weights
View the map as a table (2 squares)
| Square | Price band | Context band | Models |
|---|---|---|---|
| GRIDD5 | $0.30–1 | 1M | DeepSeek V4.1 Flash, Gemini 2.5 Flash, Gemini 3.5 Flash Lite, MiniMax M3 |
| GRIDE5 | $1–3 | 1M | Grok 4.3, Gemini 2.5 Pro Preview 06-05, Muse Spark 1.1, Muse Spark 1.2, Muse Spark 1.3, Gemini 3.5 Flash, Claude Sonnet 5, Claude Sonnet 5.5, Gemini 3.1 Pro Preview, Gemini 3.1 Pro Preview Custom Tools, GPT-4.1, Qwen3.8 2.4T A95B |
Top 15 alternatives
Ranked by steps away on the atlas, then cheaper before pricier, then input price
| # | Model | Grid | Why it fits | Input / 1M | vs Grok 4.3 | Output / 1M | Context | |
|---|---|---|---|---|---|---|---|---|
| — | Grok 4.3xAI · the model you’re replacing | GRIDE5 | Baseline | $1.25 | — | $2.50 | 1M | |
| 1 | Gemini 2.5 Pro Preview 06-05Google | GRIDE5 | Same square, same input price | $1.25 | same | $10.00 | 1.05M | Compare → |
| 2 | Muse Spark 1.1Meta | GRIDE5 | Same square, same input price | $1.25 | same | $4.25 | 1.05M | Compare → |
| 3 | Muse Spark 1.2Meta | GRIDE5 | Same square, same input price | $1.25 | same | $4.25 | 1.05M | Compare → |
| 4 | Muse Spark 1.3Meta | GRIDE5 | Same square, same input price | $1.25 | same | $4.25 | 1.05M | Compare → |
| 5 | Gemini 3.5 FlashGoogle | GRIDE5 | Same square, 20% pricier input | $1.50 | +20% | $9.00 | 1.05M | Compare → |
| 6 | Claude Sonnet 5Anthropic | GRIDE5 | Same square, 60% pricier input | $2.00 | +60% | $10.00 | 1M | Compare → |
| 7 | Claude Sonnet 5.5Anthropic | GRIDE5 | Same square, 60% pricier input | $2.00 | +60% | $10.00 | 1M | |
| 8 | Gemini 3.1 Pro PreviewGoogle | GRIDE5 | Same square, 60% pricier input | $2.00 | +60% | $12.00 | 1.05M | |
| 9 | Gemini 3.1 Pro Preview Custom ToolsGoogle | GRIDE5 | Same square, 60% pricier input | $2.00 | +60% | $12.00 | 1.05M | |
| 10 | GPT-4.1OpenAI | GRIDE5 | Same square, 60% pricier input | $2.00 | +60% | $8.00 | 1.05M | |
| 11 | Qwen3.8 2.4T A95BQwen (Alibaba) | GRIDE5 | Same square, 60% pricier input | $2.00 | +60% | $6.00 | 1.05M | |
| 12 | DeepSeek V4.1 FlashDeepSeek | GRIDD5 | Neighbouring square D5, 76% cheaper input | $0.30 | −76% | $1.20 | 1.05M | |
| 13 | Gemini 2.5 FlashGoogle | GRIDD5 | Neighbouring square D5, 76% cheaper input | $0.30 | −76% | $2.50 | 1.05M | |
| 14 | Gemini 3.5 Flash LiteGoogle | GRIDD5 | Neighbouring square D5, 76% cheaper input | $0.30 | −76% | $2.50 | 1.05M | |
| 15 | MiniMax M3MiniMax | GRIDD5 | Neighbouring square D5, 76% cheaper input | $0.30 | −76% | $1.20 | 1.05M |
What switching saves
3,000 input + 800 output tokens × 1,000 requests a day
Σ Derived from standard-tier prices; excludes caching and batch discounts. Use your own numbers →
Larger-context alternatives
| Model | Input / 1M | Context | |
|---|---|---|---|
| Gemini 2.5 Pro Preview 06-05Google | $1.25 | 1.05M | Compare |
| Muse Spark 1.1Meta | $1.25 | 1.05M | Compare |
| Muse Spark 1.2Meta | $1.25 | 1.05M | Compare |
| Muse Spark 1.3Meta | $1.25 | 1.05M | Compare |
| Gemini 3.5 FlashGoogle | $1.50 | 1.05M | Compare |
Free alternatives
| Model | Input / 1M | Context | |
|---|---|---|---|
| Lyria 3 Clip PreviewGoogle | Free | 1.05M | |
| Lyria 3 Pro PreviewGoogle | Free | 1.05M |
Compare Grok 4.3 head to head
Questions
What is the best alternative to Grok 4.3?
Gemini 2.5 Pro Preview 06-05 ranks first: same square, same input price. Input is $1.25 per 1M tokens against $1.25 for Grok 4.3. Ranking is by position on the atlas, not by quality.
What is the cheapest alternative to Grok 4.3?
DeepSeek V4.1 Flash at $0.30 per 1M input tokens, 76% less than Grok 4.3, among the 15 closest.
Is there an open-weight alternative to Grok 4.3?
None of the 15 closest is marked open-weight in our records.
Which alternative has a larger context window?
Gemini 2.5 Pro Preview 06-05, Muse Spark 1.1, Muse Spark 1.2, Muse Spark 1.3 and 9 more hold more than Grok 4.3's 1M; the largest is Gemini 2.5 Pro Preview 06-05 at 1.05M.
How are alternatives ranked?
By distance on the atlas grid from Grok 4.3's square E5: the same square first, then neighbouring squares. Within the same distance, cheaper models come before pricier ones, then the lowest input price wins. We hold no capability data, so we do not claim a model can do what Grok 4.3 does, only that it costs and holds about the same. No vendor pays for position.
More alternatives
Keep going in your AI
Opens with this page as the source. We add nothing else to the prompt.
- What is the best alternative to Grok 4.3?
- What is the cheapest alternative to Grok 4.3?
- Is there an open-weight alternative to Grok 4.3?