Grok 4.6 vs Gemini 3.7 Flash. Price, context, routing

Source page: https://www.o10.io/compare-models/grok-4-6-vs-gemini-3-7-flash

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# Grok 4.6 vs Gemini 3.7 Flash. Price, context, routing

Gemini 3.7 Flash is cheaper at $0.75/M input vs $2/M input for Grok 4.6. Grok 4.6 is C3; Gemini 3.7 Flash is C2. Compare context, hosts, and whether evals let you drop a band.

## Key takeaways

### Which is cheaper, Grok 4.6 or Gemini 3.7 Flash?

Gemini 3.7 Flash lists at $0.75/M input and $3.75/M output; Grok 4.6 lists at $2/M input and $6/M output (snapshot 2026-08-14). Venue and intro windows (Gemini through 31 Dec 2026; Muse local $0) can invert the winner.

*Launch overlay snapshot 2026-08-14.*

### How do Grok 4.6 and Gemini 3.7 Flash context windows compare?

Grok 4.6: 500,000 tokens. Gemini 3.7 Flash: 1,048,576 tokens. Gemini 3.7 Flash is the 1M window; Muse Glimmer is 131K; Grok 4.6 is reported at 500K by public catalogs.

### When should you pick Grok 4.6 over Gemini 3.7 Flash?

Pick Grok 4.6 (band C3) when your eval floor needs that class and fully loaded cost still clears the envelope. Pick Gemini 3.7 Flash (band C2) when it passes the same floor cheaper, including Muse Glimmer on owned GPUs at $0. Prove it in shadow; do not trust launch benches alone.

## Methodology

Launch overlay 2026-08-14. Prices are lab/host list, not a live gateway join.

## FAQ

### Which is cheaper, Grok 4.6 or Gemini 3.7 Flash?

Gemini 3.7 Flash at $0.75/M input vs $2/M for Grok 4.6 on the 2026-08-14 overlay. Check intro vs standard Gemini prices and Muse local $0.

### Can o10 route both?

Yes. Grok 4.6 is C3; Gemini 3.7 Flash is C2. o10/auto picks the cheapest eval-passing slug. Pin only when policy requires a lab.

### Where are the model pages?

Grok 4.6: /models/grok-4-6. Gemini 3.7 Flash: /models/gemini-3-7-flash. Ranked list: /models/lists/new-models-august-2026.

## Related links

- [Grok 4.6](https://www.o10.io/models/grok-4-6)
- [Gemini 3.7 Flash](https://www.o10.io/models/gemini-3-7-flash)
- [All comparisons](https://www.o10.io/compare-models)
- [Model catalog](https://www.o10.io/models)

## Source URL

https://www.o10.io/compare-models/grok-4-6-vs-gemini-3-7-flash