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.
- Claude Opus 5.5AnthropicRemove
- Transcribe 1 ProFish AudioRemove
- S1Fish AudioRemove
- GPT-6 SolOpenAIRemove
4 is the maximum. Remove one to add another.
| Attribute | Claude Opus 5.5claude-opus-5.5 | Transcribe 1 Protranscribe-1-pro | S1s1 | GPT-6 Solgpt-6-sol |
|---|---|---|---|---|
| Pricing | ||||
| Input | $4.00 / 1M | $0 / 1M | $0 / 1M | $2.00 / 1M |
| Output | $20.00 / 1M | $0 / 1M | $0 / 1M | $10.00 / 1M |
| Cache Write (5m) | $5.00 / 1M | Not applicable | Not applicable | $2.00 / 1M |
| Cache Write (1h) | $8.00 / 1M | Not applicable | Not applicable | $2.00 / 1M |
| Cache Read | $0.40 / 1M | Not applicable | Not applicable | $2.00 / 1M |
| Web Search | $0 / 1M | $0 / 1M | $0 / 1M | $0 / 1M |
| Context | ||||
| Max context | 1M | N/A | N/A | 1.1M |
| Max output | N/A | N/A | N/A | N/A |
| Capabilities | ||||
| Vision | Yes | No | No | Yes |
| Function Calling | Yes | No | No | Yes |
| JSON Mode | Yes | No | No | Yes |
| Streaming | Yes | No | No | Yes |
| Catalogue | ||||
| Provider | Anthropic | Fish Audio | Fish Audio | OpenAI |
| Category | chat | voice | voice | chat |
| Charge type | Pay As You Go | Pay As You Go | Pay As You Go | Pay As You Go |
| Released | — | 2026-09-24 | 2026-07-29 | — |
| Description | ||||
| Summary | Claude Opus 5.5 is Anthropic's flagship model for advanced reasoning, coding, and long-horizon agentic workflows, succeeding Opus 5. It excels at multi-step changes across large codebases, code review and bug detection, financial and scientific analysis, and understanding dense charts, diagrams, and screenshots, with stronger grounding when reporting figures and citing sources. Compared with Opus 5, it completes comparable tasks with fewer steps and lower token usage while providing clearer, more concise progress reporting. With adaptive thinking and configurable effort levels, Opus 5.5 can balance reasoning depth, latency, and cost, making it well suited for both demanding autonomous workflows and latency-sensitive professional tasks. | Fish Audio Transcribe 1 Pro speech-to-text with speaker labels; transcripts include speaker tags such as <|speaker:0|>. Billed per second of audio. | Fish Audio S1 text-to-speech. Billed per UTF-8 byte of input text. | GPT-6 Sol is OpenAI's cost-efficient high-end model in the GPT-6 series, positioned between the flagship GPT-6 Astra and the fast GPT-6 Luna tier. It is designed for professional knowledge work, agentic coding, business workflow automation, and computer-use tasks, with particular strength in long-horizon software engineering across real-world codebases. GPT-6 Sol approaches Astra-level factual reliability at a significantly lower cost, while sharing its clear and concise communication style. This balance of capability, reliability, and efficiency makes it well suited for production agents, complex engineering workflows, and scalable professional applications |