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GLM 5.3 FlashX vs Claude Haiku 5.5

At a glance

Z.ai's high-speed variant of GLM 5.3 Flash, generating up to 200 tokens per second.

1.0M ctx$0.37/$1.25 per M

Anthropic's fast, low-cost Claude Haiku for high-volume work, succeeding Claude Haiku 4.5.

1M ctx$0.10/$0.50 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper66%
Specs
1.0M
Context
131K
Max output
Sep 2026
Released
1M
Context
128K
Max output
Oct 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$0.37/M tokens
Output$1.25/M tokens
Cache read$0.09/M tokens
Live pricing, shown before you run
Input73%$0.10/M tokens
Output60%$0.50/M tokens
Cache read89%$0.01/M tokens
Cache write$0.13/M tokens
Web search$0.01/search
Chat with GLM 5.3 FlashXGo to model
Chat with Claude Haiku 5.5Go to model
Frequently Asked Questions: GLM 5.3 FlashX vs Claude Haiku 5.5▼

Which is better, GLM 5.3 FlashX or Claude Haiku 5.5?

▼

Both GLM 5.3 FlashX and Claude Haiku 5.5 are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, GLM 5.3 FlashX or Claude Haiku 5.5?

▼

Claude Haiku 5.5 has a lower blended cost. GLM 5.3 FlashX: $0.37 input / $1.25 output. Claude Haiku 5.5: $0.10 input / $0.50 output.

Which has a larger context window, GLM 5.3 FlashX or Claude Haiku 5.5?

▼

GLM 5.3 FlashX has a larger context window: GLM 5.3 FlashX supports 1M tokens vs Claude Haiku 5.5 at 1M tokens.

Do both GLM 5.3 FlashX and Claude Haiku 5.5 support vision?

▼

Yes, both GLM 5.3 FlashX and Claude Haiku 5.5 support vision/image input.

What are the key differences between GLM 5.3 FlashX and Claude Haiku 5.5?

▼

Key differences: Claude Haiku 5.5 is significantly cheaper. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both GLM 5.3 FlashX and Claude Haiku 5.5 for free on idapt.app to see which performs better for your specific needs.

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