Compare models
Put up to 4 models beside each other — token prices, context windows, capabilities and provider, from the same catalogue the model pages read.
- GPT-6 Astra ProOpenAIRemove
- Codestral 2508Mistral AIRemove
- Gemini 3.8 FlashGoogleRemove
- GLM 5.3Z.AIRemove
4 is the maximum. Remove one to add another.
| Attribute | GPT-6 Astra Progpt-6-astra-pro | Codestral 2508codestral-2508 | Gemini 3.8 Flashgemini-3.8-flash | GLM 5.3glm-5.3 |
|---|---|---|---|---|
| Pricing | ||||
| Input | $10.00 / 1M | $0.45 / 1M | $0.75 / 1M | $1.40 / 1M |
| Output | $50.00 / 1M | $1.35 / 1M | $3.75 / 1M | $4.40 / 1M |
| Cache Write (5m) | $10.00 / 1M | $0.45 / 1M | $0.75 / 1M | $1.40 / 1M |
| Cache Write (1h) | $10.00 / 1M | $0.45 / 1M | $0.75 / 1M | $1.40 / 1M |
| Cache Read | $10.00 / 1M | $0.45 / 1M | $0.75 / 1M | $1.40 / 1M |
| Web Search | $0 / 1M | $0 / 1M | $0 / 1M | $0 / 1M |
| Context | ||||
| Max context | 1M | 256K | 1M | 1M |
| Max output | N/A | N/A | N/A | N/A |
| Capabilities | ||||
| Vision | Yes | No | Yes | No |
| Function Calling | Yes | Yes | Yes | Yes |
| JSON Mode | Yes | Yes | Yes | Yes |
| Streaming | Yes | Yes | Yes | Yes |
| Catalogue | ||||
| Provider | OpenAI | Mistral AI | Z.AI | |
| Category | chat | chat | chat | chat |
| Charge type | Pay As You Go | Pay As You Go | Pay As You Go | Pay As You Go |
| Released | — | — | — | — |
| Description | ||||
| Summary | GPT-6 Astra Pro uses the same underlying model as GPT-6 Astra, but runs with reasoning.mode set to pro for higher-quality responses on complex tasks. Optimized for deeper reasoning, greater accuracy, and more reliable multi-step execution, it is well suited for demanding coding, analysis, and agentic workflows where solution quality takes priority over speed and cost. | Codestral is Mistral's cutting-edge language model for coding, released in late July 2025. It is purpose-built for low-latency, high-frequency developer workflows, excelling at tasks such as fill-in-the-middle (FIM) code completion, code correction, and test generation. Optimized for responsiveness and precision, Codestral is well suited for real-time coding assistance, IDE integration, and automated development pipelines where speed and accuracy are critical. | Gemini 3.8 Flash is Google's most intelligent Flash-class model, delivering significant improvements over Gemini 3.7 Flash across software engineering, agentic workflows, and complex multi-step reasoning. Designed to combine strong capability with Flash-tier efficiency, it is well suited for coding assistants, autonomous agents, and high-throughput production workflows that require responsive performance without sacrificing reasoning quality. | GLM-5.3 is Z.ai's large-scale reasoning model designed for complex software engineering and long-horizon agentic workflows. It supports text input and output with a 1M-token context window, enabling sustained reasoning across large codebases and extended multi-step tasks. Building on GLM-5.2, it delivers stronger coding performance while improving the balance between capability and token efficiency, making it well suited for autonomous coding agents, large-scale engineering workflows, and complex task execution. |