Anthropic model

Claude Opus 4.5

Anthropic: Claude Opus 4.5 is a Anthropic model listed in the NextModel catalogue for image understanding, multimodal chat workloads. Its listed price is $0.723 / 1M tokens input and $3.62 / 1M tokens output per 1M tokens, with a 200k token context window.

Read quickstartEstimate cost
AnthropicPlatform curatedCatalog
StreamingTool callingJSON modeVisionLong context
Input price$0.723 / 1M tokens
Output price$3.62 / 1M tokens
Context length200k tokens
Max output8.2k tokens

What is Claude Opus 4.5 in NextModel?

Anthropic: Claude Opus 4.5 is a Anthropic model listed in the NextModel catalogue for image understanding, multimodal chat workloads. Its listed price is $0.723 / 1M tokens input and $3.62 / 1M tokens output per 1M tokens, with a 200k token context window.

Best use cases

  • image understanding
  • multimodal chat

OpenAI-compatible code example

Keep the OpenAI SDK style, set base_url to NextModel, and use the catalogue model ID anthropic--claude-opus-4.5.

Python
from openai import OpenAI

client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://api.nextmodel.app/v1"
)

resp = client.chat.completions.create(
    model="anthropic/claude-opus-4.5",
    messages=[{"role": "user", "content": "Hello from NextModel"}]
)

print(resp.choices[0].message.content)

Similar alternatives

AnthropicCatalog

Anthropic: Claude Fable 5

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Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning support and...

$1.45 / 1M tokensInput$7.23 / 1M tokensOutput1MContext
Best forimage understanding, multimodal chat
RoutingConfigured
StreamingTool callingJSON modeVision
Platform curatedNextModel gateway catalog (Go origin)
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AnthropicCatalog

Anthropic: Claude Haiku 4.5

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Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...

$0.145 / 1M tokensInput$0.723 / 1M tokensOutput200kContext
Best forimage understanding, multimodal chat
RoutingConfigured
StreamingTool callingJSON modeVision
Platform curatedNextModel gateway catalog (Go origin)
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AnthropicCatalog

Anthropic: Claude Opus 4.1

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Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains...

$2.82 / 1M tokensInput$14.11 / 1M tokensOutput200kContext
Best forimage understanding, multimodal chat
RoutingConfigured
StreamingTool callingJSON modeVision
Platform curatedNextModel gateway catalog (Go origin)
View details

Compare Anthropic: Claude Opus 4.5

Anthropic: Claude Opus 4.5 vs Anthropic: Claude Fable 5Anthropic: Claude Opus 4.5 vs Anthropic: Claude Haiku 4.5Anthropic: Claude Opus 4.5 vs Anthropic: Claude Opus 4.1Anthropic: Claude Opus 4.5 vs Anthropic: Claude Opus 4.6Anthropic: Claude Opus 4.5 vs Anthropic: Claude Opus 4.7

FAQ

Anthropic: Claude Opus 4.5 API questions