claude-opus-4-8 alternatives

claude-fable-5-1

Matching features: Tool calling, Vision, Long context, JSON mode, Streaming, Reasoning, text input, image input, text output.

Original features not confirmed on this alternative: None. Missing reports are unknown, not confirmed losses.

Context: 1000000 → 1000000 tokens (+0).

$4.00 USD input and $15.00 USD output per 1M tokens. Prices use the same billing mode, currency, and unit; compare the rates above.

Change the request model ID from claude-opus-4-8 to claude-fable-5-1.

Original interfaces: POST /v1/chat/completions, POST /v1/messages. Alternative interfaces: POST /v1/chat/completions, POST /v1/messages. The published API interfaces are unchanged.

claude-opus-5

Matching features: Tool calling, Vision, Long context, JSON mode, Streaming, Reasoning, text input, image input, text output.

Original features not confirmed on this alternative: None. Missing reports are unknown, not confirmed losses.

Context: 1000000 → 1000000 tokens (+0).

$2.50 USD input and $12.50 USD output per 1M tokens. Prices use the same billing mode, currency, and unit; compare the rates above.

Change the request model ID from claude-opus-4-8 to claude-opus-5.

Original interfaces: POST /v1/chat/completions, POST /v1/messages. Alternative interfaces: POST /v1/chat/completions, POST /v1/messages. The published API interfaces are unchanged.

claude-sonnet-4-6

Matching features: Tool calling, Vision, Long context, JSON mode, Streaming, Reasoning, text input, image input, text output.

Original features not confirmed on this alternative: None. Missing reports are unknown, not confirmed losses.

Context: 1000000 → 1000000 tokens (+0).

$0.12 USD input and $0.45 USD output per 1M tokens. Prices use the same billing mode, currency, and unit; compare the rates above.

Change the request model ID from claude-opus-4-8 to claude-sonnet-4-6.

Original interfaces: POST /v1/chat/completions, POST /v1/messages. Alternative interfaces: POST /v1/chat/completions, POST /v1/messages. The published API interfaces are unchanged.

gpt-5.6-sol

Matching features: Tool calling, Vision, Long context, JSON mode, Streaming, Reasoning, text input, image input, text output.

Original features not confirmed on this alternative: None. Missing reports are unknown, not confirmed losses.

Context: 1000000 → 1000000 tokens (+0).

$1.92 USD input and $5.40 USD output per 1M tokens. Prices use the same billing mode, currency, and unit; compare the rates above.

Change the request model ID from claude-opus-4-8 to gpt-5.6-sol.

Original interfaces: POST /v1/chat/completions, POST /v1/messages. Alternative interfaces: POST /v1/chat/completions. Adjust the endpoint and request body to the selected interface.

Original request

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A verified request for this exact model. Add your API key and run it.

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cURLPythonJavaScript

curl https://api.llm7.io/v1/chat/completions \
  -H "Authorization: Bearer $LLM7_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-opus-4-8",
    "messages": [
      { "role": "user", "content": "Hello!" }
    ]
  }'

Alternative request

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A verified request for this exact model. Add your API key and run it.

Read the docs

cURLPythonJavaScript

curl https://api.llm7.io/v1/chat/completions \
  -H "Authorization: Bearer $LLM7_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.6-sol",
    "messages": [
      { "role": "user", "content": "Hello!" }
    ]
  }'

gpt-5.6-terra

Matching features: Tool calling, Vision, Long context, JSON mode, Streaming, Reasoning, text input, image input, text output.

Original features not confirmed on this alternative: None. Missing reports are unknown, not confirmed losses.

Context: 1000000 → 1000000 tokens (+0).

$0.24 USD input and $1.00 USD output per 1M tokens. Prices use the same billing mode, currency, and unit; compare the rates above.

Change the request model ID from claude-opus-4-8 to gpt-5.6-terra.

Original interfaces: POST /v1/chat/completions, POST /v1/messages. Alternative interfaces: POST /v1/chat/completions. Adjust the endpoint and request body to the selected interface.

Original request

Start building

A verified request for this exact model. Add your API key and run it.

Read the docs

cURLPythonJavaScript

curl https://api.llm7.io/v1/chat/completions \
  -H "Authorization: Bearer $LLM7_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-opus-4-8",
    "messages": [
      { "role": "user", "content": "Hello!" }
    ]
  }'

Alternative request

Start building

A verified request for this exact model. Add your API key and run it.

Read the docs

cURLPythonJavaScript

curl https://api.llm7.io/v1/chat/completions \
  -H "Authorization: Bearer $LLM7_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.6-terra",
    "messages": [
      { "role": "user", "content": "Hello!" }
    ]
  }'

gpt-6-astra

Matching features: Tool calling, Vision, Long context, JSON mode, Streaming, Reasoning, text input, image input, text output.

Original features not confirmed on this alternative: None. Missing reports are unknown, not confirmed losses.

Context: 1000000 → 1000000 tokens (+0).

$5.00 USD input and $10.00 USD output per 1M tokens. Prices use the same billing mode, currency, and unit; compare the rates above.

Change the request model ID from claude-opus-4-8 to gpt-6-astra.

Original interfaces: POST /v1/chat/completions, POST /v1/messages. Alternative interfaces: POST /v1/chat/completions. Adjust the endpoint and request body to the selected interface.

Original request

Start building

A verified request for this exact model. Add your API key and run it.

Read the docs

cURLPythonJavaScript

curl https://api.llm7.io/v1/chat/completions \
  -H "Authorization: Bearer $LLM7_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-opus-4-8",
    "messages": [
      { "role": "user", "content": "Hello!" }
    ]
  }'

Alternative request

Start building

A verified request for this exact model. Add your API key and run it.

Read the docs

cURLPythonJavaScript

curl https://api.llm7.io/v1/chat/completions \
  -H "Authorization: Bearer $LLM7_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-6-astra",
    "messages": [
      { "role": "user", "content": "Hello!" }
    ]
  }'