Nova 2 Lite vs Grok 4.3
Benchmark Performance
Available Benchmarks
| Benchmark | Nova 2 Lite | Grok 4.3 |
|---|---|---|
| LMArena Text Arenatext-2026-09-01-011508720696 · arena_rating · leader | 1,362.5297% of row best · rating · nova-2-lite; 95% CI [1356.44886287, 1368.59662424]; votes 12117; rank 178 | 1,397.97100% of row best · rating · grok-4.3; 95% CI [1394.22069381, 1401.72787538]; votes 65024; rank 141 |
| Overall ResultCounted from the protocol-matched rows above | 0 benchmark wins | 1 benchmark winOverall lead |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Technical Differences
Side-by-Side Facts
| Field | Nova 2 Lite | Grok 4.3 |
|---|---|---|
| Developer | Amazon | xAI |
| Family | Nova 2 | Grok 4 |
| Model | Nova 2 Lite | Grok 4.3 |
| Version | Nova 2 Lite | Grok 4.3 |
| Lifecycle | active | active |
| Released | 2025-12-02 | 2026-06-17 |
| Knowledge cutoff | 2025-10-01 | Unknown |
| Input modalities | Text, Image, Video, Document | Text, Image |
| Output modalities | Text | Text |
| Context window | 1,000K | 1,000K |
| Total parameters | Unknown | Unknown |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | No | No |
| API available | Yes | Yes |
| Self-hostable | No | No |
| Provider access | Amazon Bedrock (Standard) | Xai (Standard) |
| Capabilities | chat, generation, prompt-caching, tools, vision | chat, generation, reasoning, structured_outputs, tools |
14 comparable fields · 8 material differences · Pair passes the primary-source comparison gate
Nova 2 Lite Capabilities
Grok 4.3 Capabilities
Internal Comparison Graph
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Primary Evidence
Sources and Freshness
Questions
Nova 2 Lite vs Grok 4.3 FAQs
Is Nova 2 Lite or Grok 4.3 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Nova 2 Lite and Grok 4.3, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Nova 2 Lite or Grok 4.3?+
Nova 2 Lite is $0.30 and Grok 4.3 is $1.25 per million tokens, so Nova 2 Lite is cheaper on this metric. Nova 2 Lite is $2.50 and Grok 4.3 is $2.50 per million tokens, so they are tied on this metric.
Which has a larger context window, Nova 2 Lite or Grok 4.3?+
Neither model has a larger sourced context window in this comparison. Nova 2 Lite is 1,000K and Grok 4.3 is 1,000K.
Which performs better in benchmarks, Nova 2 Lite or Grok 4.3?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Nova 2 Lite or Grok 4.3 be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. Nova 2 Lite is not marked open weight; Grok 4.3 is not marked open weight.
Can Nova 2 Lite and Grok 4.3 understand images?+
Nova 2 Lite is documented with image input; Grok 4.3 is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Nova 2 Lite or Grok 4.3?+
Neither has a larger sourced maximum output. Nova 2 Lite is 66K and Grok 4.3 is —.
Do Nova 2 Lite and Grok 4.3 support reasoning and tool use?+
Nova 2 Lite: tool calling and image input. Grok 4.3: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Nova 2 Lite or Grok 4.3?+
Nova 2 Lite has 1 sourced provider route; Grok 4.3 has 1, a tie.
Which offers better value, Nova 2 Lite or Grok 4.3?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.