text model comparison
Gemini 3.7 Flash vs GLM-5.3-Flash
Gemini 3.7 Flash and GLM-5.3-Flash are both current text models, from Google and Z.ai. GLM-5.3-Flash is 80% cheaper per 1M input tokens than Gemini 3.7 Flash, $0.15 vs $0.75. On Arena Text, Gemini 3.7 Flash scores 1486 Elo and GLM-5.3-Flash 1475 Elo (Arena, measured October 8, 2026). Both accept about 1.05M tokens of context (1,048,576 and 1,000,000).
Data verified October 13, 2026 · Dataset 2026-10-13
Side by side
Standard-tier prices in effect today. The better value in each row is highlighted.
| Fact | Gemini 3.7 Flash | GLM-5.3-Flash |
|---|---|---|
| Price per 1M input tokens | $0.75 | $0.15 (better) |
| Price per 1M output tokens | $3.75 | $0.50 (better) |
| Cost of 10M input and 2M output tokens | $15 | $2.50 (better) |
| Arena Text | 1486 Elo (#10 of 49) (better) | 1475 Elo (#21 of 49) |
| GPQA Diamond | 94.8% (#5 of 40) (better) | 90.2% (#27 of 40) |
| FrontierMath Tiers 1-3 (v2) | 71.6% (#20 of 40) (better) | 55.8% (#31 of 40) |
| SimpleQA Verified | 69.2% (#9 of 36) | Not measured |
| Provider | Z.ai | |
| Release date | August 13, 2026 | August 26, 2026 |
| Access | API only | API and open weights |
| Context window | 1,048,576 tokens | 1,000,000 tokens |
| Max output | 65,536 tokens | 128,000 tokens |
| Input | text, image, audio, video | text, image, video |
| Output | text | text |
When to choose each
Gemini 3.7 Flash
Best for
- Production coding and agent workflows that need multimodal context
Watch out for
- Google publishes the introductory API price through 2026-12-31; standard input and output prices increase on 2027-01-01.
- Not in the pinned LiveBench snapshot; its independent scores here come from Epoch AI's own GPQA Diamond, FrontierMath and SimpleQA Verified runs
GLM-5.3-Flash
Best for
- Low-cost coding from screenshots or screen recordings
- Document and research agents on a budget
Watch out for
- Thinking cannot be disabled
- A faster GLM-5.3-FlashX is a separate model id at $0.37 input and $1.25 output per 1M tokens
Gemini 3.7 Flash vs GLM-5.3-Flash FAQ
Which is cheaper, Gemini 3.7 Flash or GLM-5.3-Flash?
GLM-5.3-Flash is 80% cheaper per 1M input tokens than Gemini 3.7 Flash, $0.15 vs $0.75. For 10M input and 2M output tokens, Gemini 3.7 Flash costs $15 and GLM-5.3-Flash $2.50 at standard rates.
Which scores higher on independent benchmarks, Gemini 3.7 Flash or GLM-5.3-Flash?
Gemini 3.7 Flash leads on Arena Text, 1486 Elo to 1475 Elo; Gemini 3.7 Flash leads on GPQA Diamond, 94.8% to 90.2%; Gemini 3.7 Flash leads on FrontierMath Tiers 1-3 (v2), 71.6% to 55.8%. Scores are independent evaluations, not either vendor's launch figures.
Which has the larger context window, Gemini 3.7 Flash or GLM-5.3-Flash?
Both accept about 1.05M tokens of context (1,048,576 and 1,000,000).
Can I run Gemini 3.7 Flash or GLM-5.3-Flash myself?
GLM-5.3-Flash is released as open weights you can run yourself; Gemini 3.7 Flash is available through its provider's API only.
Related comparisons
- Claude Haiku 5.5 vs GLM-5.3-Flash
- Claude Sonnet 5 vs GLM-5.3-Flash
- DeepSeek-V4.1-Flash vs GLM-5.3-Flash
- DeepSeek-V4-Pro vs GLM-5.3-Flash
- Gemini 3.5 Flash-Lite vs GLM-5.3-Flash
- Gemini 3.7 Flash vs Gemini 3.8 Flash
- Gemini 3.7 Flash vs Gemini 3 Flash Preview
- Gemini 3.7 Flash vs Grok 4.20
- Gemini 3.7 Flash vs Muse Glimmer
- Gemini 3.7 Flash vs Nemotron 3.5 Lightning
Production evaluation
Choosing between Gemini 3.7 Flash and GLM-5.3-Flash?
Public benchmarks narrow the shortlist. We run both on your own tasks, data and cost limits, then build the routing and review controls to run the winner in production.
- A head-to-head evaluation on your real workload
- Routing between models by cost and difficulty