Model comparison - Similar price, same tier
Claude Haiku 5.5 vs GLM-5.3-Flash
Claude Haiku 5.5 is from Anthropic and GLM-5.3-Flash is from Z.ai. On list price, Claude Haiku 5.5 charges 33% less than GLM-5.3-Flash for input ($0.10 vs $0.15 per 1M tokens), and both charge $0.50 per 1M output tokens. Claude Haiku 5.5 and GLM-5.3-Flash both have a 1,000,000-token context window, and both return up to 128,000 output tokens per response. Claude Haiku 5.5 was released on October 7, 2026 and GLM-5.3-Flash on August 26, 2026. GLM-5.3-Flash publishes open weights (MIT); Claude Haiku 5.5 is closed-weights.
Last verified from each provider's pricing page. All sources
Side-by-side specs
| Spec | Claude Haiku 5.5 | GLM-5.3-Flash |
|---|---|---|
| Provider | Anthropic | Z.ai |
| Input / 1M tokens | $0.10 | $0.15 |
| Output / 1M tokens | $0.50 | $0.50 |
| Cache read / 1M | $0.01 | $0.03 |
| Cache write / 1M | $0.125 | - |
| Batch input / 1M | $0.05 | - |
| Batch output / 1M | $0.25 | - |
| Long-context rates above | 100,000 tokens | - |
| Context window | 1,000,000 | 1,000,000 |
| Max output | 128,000 | 128,000 |
| Release date | ||
| Weights | Closed | Open |
| License | - | MIT |
| API model id | claude-haiku-5-5 | glm-5.3-flash |
| AI Gateway id | anthropic/claude-haiku-5.5 | zai/glm-5.3-flash |
| Last verified |
Prices in USD per 1M tokens at each provider's standard first-party rate. A dash means the provider does not bill that item separately or no primary page states it.
What each costs in practice
The same three workloads every model page uses, worked from each model's standard list rates. Swap in your own token counts with the math on each model's page.
| Workload | Claude Haiku 5.5 | GLM-5.3-Flash |
|---|---|---|
| One agent session1M input tokens and 100K output tokens, no caching. | $0.15 | $0.20 |
| A chat app10,000 requests a day at 2K input and 500 output tokens each. | $4.50$135.00 per 30-day month | $5.50$165.00 per 30-day month |
| The same session at a 90% cache hit90% of the input is read from the prompt cache. The one-time cache write premium is not included. | $0.069 | $0.092 |
Show the math
Claude Haiku 5.5
- One agent sessionInput: 1M x $0.10 = $0.10Output: 0.1M x $0.50 = $0.05
- A chat appInput: 20M x $0.10 = $2.00Output: 5M x $0.50 = $2.50
- The same session at a 90% cache hitCached input: 0.9M x $0.01 = $0.009Uncached input: 0.1M x $0.10 = $0.01Output: 0.1M x $0.50 = $0.05
GLM-5.3-Flash
- One agent sessionInput: 1M x $0.15 = $0.15Output: 0.1M x $0.50 = $0.05
- A chat appInput: 20M x $0.15 = $3.00Output: 5M x $0.50 = $2.50
- The same session at a 90% cache hitCached input: 0.9M x $0.03 = $0.027Uncached input: 0.1M x $0.15 = $0.015Output: 0.1M x $0.50 = $0.05
Benchmarks under the same setting
No board in the benchmark directory lists both Claude Haiku 5.5 and GLM-5.3-Flash under the same setting, so there is no like-for-like score to show here.
Set them up in your tools
Step-by-step guides whose official docs list Claude Haiku 5.5 or GLM-5.3-Flash by model id.
- Use GLM in AiderLists GLM-5.3-Flash
- Use GLM in Claude CodeLists GLM-5.3-Flash
- Use GLM in ClineLists GLM-5.3-Flash
- Use GLM in ContinueLists GLM-5.3-Flash
- Use GLM in GooseLists GLM-5.3-Flash
- Use GLM in Kilo CodeLists GLM-5.3-Flash
- Use GLM in OpenCodeLists GLM-5.3-Flash
- Use GLM in Roo CodeLists GLM-5.3-Flash
- Use GLM in ZedLists GLM-5.3-Flash
- Use Ollama in Claude CodeLists GLM-5.3-Flash
Model pages
FAQ
How do Claude Haiku 5.5 and GLM-5.3-Flash compare on price?
On list price, Claude Haiku 5.5 charges 33% less than GLM-5.3-Flash for input ($0.10 vs $0.15 per 1M tokens), and both charge $0.50 per 1M output tokens. For one agent session of 1M input and 100K output tokens with no caching, that is $0.15 on Claude Haiku 5.5 and $0.20 on GLM-5.3-Flash. Prices are each provider's first-party list rates, verified October 17, 2026 and October 17, 2026.
What are the context windows of Claude Haiku 5.5 and GLM-5.3-Flash?
Claude Haiku 5.5 and GLM-5.3-Flash both have a 1,000,000-token context window, and both return up to 128,000 output tokens per response.
Are Claude Haiku 5.5 and GLM-5.3-Flash open weights?
Claude Haiku 5.5 is closed-weights and is called through Anthropic's API as claude-haiku-5-5. GLM-5.3-Flash's weights are published at huggingface.co under the MIT.
More comparisons
- Claude Haiku 5.5 vs GPT-6 LunaSimilar price, same tier
- Claude Haiku 5.5 vs DeepSeek V4.1 FlashOpen weights vs closed
- GLM-5.3-Flash vs GPT-6 LunaSimilar price, same tier
- DeepSeek V4.1 Flash vs GLM-5.3-FlashSimilar price, same tier
- Claude Haiku 5.5 vs Qwen3.8-FlashSimilar price, same tier
- GLM-5.3-Flash vs Qwen3.8-FlashSimilar price, same tier
- Claude Haiku 5.5 vs MiniMax-M3Open weights vs closed
- Gemini 3.5 Flash-Lite vs GLM-5.3-FlashSimilar price, same tier
Sources
Claude Haiku 5.5 verified from platform.claude.com; GLM-5.3-Flash verified from docs.z.ai. This page is as current as the older of the two: .
- https://platform.claude.com/docs/en/about-claude/pricing
- https://docs.z.ai/guides/overview/pricing
- https://platform.claude.com/docs/en/models/haiku-5-5/overview
- https://platform.claude.com/docs/en/about-claude/models/overview
- https://platform.claude.com/docs/en/release-notes/overview
- https://docs.z.ai/guides/vlm/glm-5.3-flash
- https://docs.z.ai/guides/overview/overview
- https://docs.z.ai/release-notes/new-released
- https://docs.z.ai/openapi.json
- https://huggingface.co/zai-org/GLM-5.3-Flash
- https://ai-gateway.vercel.sh/v1/models
Newsletter
Get model price changes as they ship
One email per week. New model releases, price cuts and what they mean for your bill.