SEO model ranking

Best coding model APIs for agents and code review

Compare coding-oriented model APIs by context length, tool support, JSON output, latency estimate, price, and recommended production role.

Coding model selection depends on repository size, tool-calling needs, instruction reliability, and the cost of long output. A coding assistant that reads a large codebase needs different economics from a short code-completion feature. NextModel highlights coding candidates with context length, tool support, price, and best-use guidance so teams can choose a primary model and a fallback policy.

Source basis: NextModel use-case taxonomy and OpenRouter supported-parameter metadata when available.

Fit score

Recommended coding models candidates

Start with the shortlist, then test real prompts and compare monthly cost before production routing.

AnthropicCatalog

Opus 4.7 is the next generation of Anthropic's Opus family, built for long-running, asynchronous agents. Building on the coding and agentic strengths of Opus 4.6, it delivers stronger performance on...

$5 / 1M tokensInput$25 / 1M tokensOutput1MContext
Best forfrontier reasoning, large codebase review, strategy analysis
Routingconfigured
Tool callingJSON modeLong contextReasoningStreamingVision
OpenRouter if availableOpenRouter public Models API live metadata; public price comes from the registry pricing rule
View details
AnthropicCatalog

Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with...

$3 / 1M tokensInput$15 / 1M tokensOutput1MContext
Best forcoding agents, code review, complex writing
Routingconfigured
Tool callingJSON modeLong contextReasoningStreamingVision
OpenRouter if availableOpenRouter public Models API live metadata; public price comes from the registry pricing rule
View details
DeepSeekCatalog

DeepSeek R1 is here: Performance on par with [OpenAI o1](/openai/o1), but open-sourced and with fully open reasoning tokens. It's 671B parameters in size, with 37B active in an inference pass....

$0.7 / 1M tokensInput$2.50 / 1M tokensOutput163.8kContext
Best forChinese reasoning, math, analysis
Routingconfigured
JSON modeLong contextReasoningStreamingTool calling
OpenRouter if availableOpenRouter public Models API live metadata; public price comes from the registry pricing rule
View details
DeepSeekCatalog

DeepSeek V4 Flash is an efficiency-optimized Mixture-of-Experts model from DeepSeek with 284B total parameters and 13B activated parameters, supporting a 1M-token context window. It is designed for fast inference and...

$0.112 / 1M tokensInput$0.224 / 1M tokensOutput1MContext
Best forlow-cost Chinese tasks, long-context summary, batch code assistance
Routingconfigured
Tool callingJSON modeLong contextReasoningLow cost
OpenRouter if availableOpenRouter public Models API live metadata; public price comes from the registry pricing rule
View details

Comparison table

Compare the shortlist by price, provider, context, capability, and source.

This table is designed for search visitors and developer teams who need a practical decision view, not a generic list of model names.

ModelProviderInputOutputContextCapabilitiesBest forLatencyStatusSource
Anthropic: Claude Opus 4.7anthropic/claude-opus-4.7Anthropic$5 / 1M tokens$25 / 1M tokens1M
Tool callingJSON modeLong contextReasoning
frontier reasoning, large codebase review2300-6800msCatalogOpenRouter if available
Anthropic: Claude Sonnet 4.5anthropic/claude-sonnet-4.5Anthropic$3 / 1M tokens$15 / 1M tokens1M
Tool callingJSON modeLong contextReasoning
coding agents, code review1600-4800msCatalogOpenRouter if available
DeepSeek: R1deepseek/deepseek-r1DeepSeek$0.7 / 1M tokens$2.50 / 1M tokens163.8k
JSON modeLong contextReasoningStreaming
Chinese reasoning, math1800-6000msCatalogOpenRouter if available
DeepSeek: DeepSeek V4 Flashdeepseek/deepseek-v4-flashDeepSeek$0.112 / 1M tokens$0.224 / 1M tokens1M
Tool callingJSON modeLong contextReasoning
low-cost Chinese tasks, long-context summary800-2600msCatalogOpenRouter if available
Qwen: Qwen3 Coder Plusqwen/qwen3-coder-plusAlibaba Cloud / Qwen$0.65 / 1M tokens$3.25 / 1M tokens1M
Tool callingJSON modeLong contextStreaming
Chinese engineering workflows, code generation1200-3900msCatalogOpenRouter if available

FAQ

Coding models FAQ

What makes a model good for coding agents?

Long context, reliable tool calling, structured output, and stable instruction following matter more than raw token price alone.

How should teams control coding-agent cost?

Use budget policies, compare output-heavy token cost, and route simple tasks to lower-cost models before escalating difficult tasks.

Best coding model APIs for agents, code review, and cost control · NextModel