LLM7 model guide

deepseek-v4-flash_0731 alternatives

Compare active chat alternatives to deepseek-v4-flash_0731, including capabilities, context, pricing, and API changes.

Alternatives to deepseek-v4-flash_0731

The original model is retired. Ranking uses shared reported capabilities and modalities, then the closest known context window, then model ID. Unknown context differences sort last. Similar metadata does not establish equivalent output quality.

Checking current pricing…

Original context: 1,000,000 tokens.

DeepSeek-V4.1-Flash

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

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

Context: 1000000 → 1000000 tokens (+0).

Checking current pricing…

Change the request model ID from deepseek-v4-flash_0731 to DeepSeek-V4.1-Flash.

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

anthropic/claude-sonnet-5-5

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

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

Context: 1000000 → 1000000 tokens (+0).

Checking current pricing…

Change the request model ID from deepseek-v4-flash_0731 to anthropic/claude-sonnet-5-5.

Original interfaces: POST /v1/chat/completions. Alternative interfaces: POST /v1/chat/completions, POST /v1/messages. 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.

Read the docs

curl https://api.llm7.io/v1/chat/completions \
  -H "Authorization: Bearer $LLM7_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v4-flash_0731",
    "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

curl https://api.llm7.io/v1/chat/completions \
  -H "Authorization: Bearer $LLM7_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "anthropic/claude-sonnet-5-5",
    "messages": [
      { "role": "user", "content": "Hello!" }
    ]
  }'

claude-fable-5

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

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

Context: 1000000 → 1000000 tokens (+0).

Checking current pricing…

Change the request model ID from deepseek-v4-flash_0731 to claude-fable-5.

Original interfaces: POST /v1/chat/completions. Alternative interfaces: POST /v1/chat/completions, POST /v1/messages. 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

curl https://api.llm7.io/v1/chat/completions \
  -H "Authorization: Bearer $LLM7_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v4-flash_0731",
    "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

curl https://api.llm7.io/v1/chat/completions \
  -H "Authorization: Bearer $LLM7_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-fable-5",
    "messages": [
      { "role": "user", "content": "Hello!" }
    ]
  }'

claude-fable-5-1

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

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

Context: 1000000 → 1000000 tokens (+0).

Checking current pricing…

Change the request model ID from deepseek-v4-flash_0731 to claude-fable-5-1.

Original interfaces: POST /v1/chat/completions. Alternative interfaces: POST /v1/chat/completions, POST /v1/messages. 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

curl https://api.llm7.io/v1/chat/completions \
  -H "Authorization: Bearer $LLM7_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v4-flash_0731",
    "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

curl https://api.llm7.io/v1/chat/completions \
  -H "Authorization: Bearer $LLM7_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-fable-5-1",
    "messages": [
      { "role": "user", "content": "Hello!" }
    ]
  }'

claude-haiku-5-5

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

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

Context: 1000000 → 1000000 tokens (+0).

Checking current pricing…

Change the request model ID from deepseek-v4-flash_0731 to claude-haiku-5-5.

Original interfaces: POST /v1/chat/completions. Alternative interfaces: POST /v1/chat/completions, POST /v1/messages. 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

curl https://api.llm7.io/v1/chat/completions \
  -H "Authorization: Bearer $LLM7_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v4-flash_0731",
    "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

curl https://api.llm7.io/v1/chat/completions \
  -H "Authorization: Bearer $LLM7_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-haiku-5-5",
    "messages": [
      { "role": "user", "content": "Hello!" }
    ]
  }'

claude-opus-4-8

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

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

Context: 1000000 → 1000000 tokens (+0).

Checking current pricing…

Change the request model ID from deepseek-v4-flash_0731 to claude-opus-4-8.

Original interfaces: POST /v1/chat/completions. Alternative interfaces: POST /v1/chat/completions, POST /v1/messages. 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

curl https://api.llm7.io/v1/chat/completions \
  -H "Authorization: Bearer $LLM7_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v4-flash_0731",
    "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

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!" }
    ]
  }'

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