$ diff claude-fable-5-1 gemini-3-7-flash
Claude Fable 5.1 vs Gemini 3.7 Flash
Values come from Claude Fable 5.1 and Gemini 3.7 Flash, where each is cited to its source. This page states no benchmark result and ranks neither model — it puts two published specifications next to each other. Where a lab has not published a figure, the row says so rather than guessing.
AnthropicClaude Fable 5.1
- context
- 1M
- weights
- closed
- $/M in
- $10
- $/M out
- $50
- context
- 1M
- weights
- closed
- $/M in
- $0.75
- $/M out
- $3.75
What actually differs
- Context window
- Identical — both accept 1M tokens, so context length is not a reason to pick either.
- Input price
- Gemini 3.7 Flash at $0.75/M against $10/M — 13.3× cheaper to feed.
- Output price
- Gemini 3.7 Flash at $3.75/M against $50/M — 13.3× cheaper to generate. Output dominates the bill on most agentic workloads, where the model writes far more than it reads.
- Recency
- Claude Fable 5.1 shipped 19 days after Gemini 3.7 Flash (2026-09-01 vs 2026-08-13).
Full spec
| Attribute | Claude Fable 5.1 | Gemini 3.7 Flash |
|---|---|---|
| Developer | Anthropic | Google DeepMind |
| Released | 2026-09-01 | 2026-08-13 |
| Context window | 1M tokens | 1,000,000 tokens (64,000 max output) |
| Pricing | $10/M input · $50/M output · cache reads $0.25/M | $0.75/M input · $3.75/M output (introductory, through 2026-12-31) · $1.50/M · $7.50/M from 2027-01-01 |
| License | proprietary (API-only; no weight release) | proprietary |
| Availability | Claude API as `claude-fable-5-1`; plan-tier access is disputed — see `## Conflicting Reports` | Gemini API, Google AI Studio, Android Studio, Google Antigravity, Gemini Enterprise Agent Platform, Gemini Enterprise app, Spark in the Gemini app (AI Pro and Ultra) |